Sling and Bola

Part of Hunting and Trapping

Throwing weapons require no rare materials, take hours instead of days to build, and extend your effective range to 30-60 meters. The sling and bola are the most practical options for a survival situation.

The Case for Throwing Weapons

Spears are close range. Bows take days or weeks to build and require specific wood. But a sling can be constructed from cordage and leather scraps in under an hour, uses unlimited free ammunition (stones), and in practiced hands rivals a bow for effective range. The bola is even simpler — cord and weights — and is devastating against birds and small running game.

These are not primitive curiosities. The sling was a military weapon for thousands of years, used by Roman auxiliary troops, Balearic mercenaries, and Biblical armies. A trained slinger can throw a stone at 100+ km/h (60+ mph) with lethal force at 40-50 meters. The bola was used across South America, the Arctic, and the Pacific Islands for hunting everything from guanacos to seabirds.

The Sling

Anatomy of a Sling

A sling consists of four parts:

1. Retention cord — attached to a finger loop; you hold this throughout the throw
2. Pouch — cradles the projectile; typically woven or leather
3. Release cord — held between finger and thumb; released at the moment of launch
4. Projectile — smooth, dense stones (or shaped clay/lead bullets in advanced civilizations)

Total length (cord to cord): 60-90 cm (24-36 inches) for beginners. Longer slings generate more velocity but are harder to control.

Building a Sling

Materials needed:

• Leather, woven fabric, or braided cordage for the pouch
• Strong cordage for the two cords (braided plant fiber, sinew, rawhide strips)
• A small ring, loop, or knot for the finger attachment

The Pouch

The pouch must cradle the stone securely during the windup and release it cleanly at launch.

Leather pouch (best):

1. Cut an oval of leather approximately 8 x 12 cm (3 x 5 inches)
2. Punch or cut small holes at each narrow end — 2-3 holes per side
3. Thread the cords through the holes and tie securely
4. Shape a slight cup — soak the leather and form it around a stone of your preferred size, let it dry in that shape

Braided pouch (no leather available):

1. Use a flat braiding technique — 4-6 strands woven into a diamond or rectangular mesh
2. Width: 5-6 cm at the center, tapering to where the cords attach
3. Length: 10-12 cm
4. The weave must be tight enough that stones don’t slip through but open enough to release cleanly

The Cords

• Length: each cord should be 30-45 cm (12-18 inches). Start shorter for learning.
• Material: braided plant fiber cord (dogbane, nettle, hemp) or cut rawhide. Must be strong — a breaking cord sends a stone in an unpredictable direction.
• Retention cord: tie or braid a loop at the end that fits over your middle finger
• Release cord: tie a simple overhand knot at the end for grip. You’ll pinch this between thumb and forefinger.

Cord Length Adjustment

Longer cords = more velocity but less accuracy. Start with cords that, when holding the sling at your side, let the pouch hang at knee level. Shorten if you can’t control the release; lengthen as your skill improves.

Projectile Selection

The projectile matters enormously. A round, dense, consistent stone flies true. An irregular stone corkscrews unpredictably.

Projectile	Weight	Effectiveness	Notes
River cobbles (egg-shaped)	50-100 g	Excellent	Naturally smoothed, consistent shape
Round stones	40-80 g	Good	Any smooth, dense stone
Irregular stones	Varies	Poor	Unpredictable flight — emergency only
Clay bullets (shaped, dried)	30-60 g	Excellent	Can mass-produce uniform ammo
Lead bullets (cast)	30-50 g	Superior	Requires metalworking — future tech tier

Ideal stone characteristics:

• Egg-shaped or spherical
• Fits in the pouch with slight room on each side (not too snug, not rattling loose)
• Dense — river cobbles, granite, basalt are better than sandstone or limestone
• Consistent size — pick 20-30 similar stones and practice exclusively with that size

Throwing Technique

There are several sling techniques. The overhand vertical is the most accurate for beginners.

Overhand Technique

1. Load the pouch with a stone. Hold retention loop on middle finger of your dominant hand. Pinch the release cord knot between thumb and forefinger of the same hand.

2. Extend your arm forward, letting the loaded pouch hang at about waist level in front of you.

3. Begin the windup. Swing the sling backward and overhead in a vertical plane (like throwing a ball overhand, but continuing the arc). One full rotation is sufficient for beginners; two or three rotations build more speed.

4. Release timing is everything. Release the release cord when the pouch is moving forward and slightly upward — roughly when your hand passes your ear on the forward swing. Too early and the stone goes high. Too late and it slams into the ground.

5. Follow through with your arm extending toward the target.

Underhand Technique

Useful for longer range and lower trajectories:

1. Start with the pouch hanging behind you
2. Swing forward and upward in one smooth motion
3. Release when the pouch passes hip level on the upswing
4. The stone launches at a lower angle — better for hitting running game

Safety

Practice in open areas with no one within 100 meters in any direction. Beginners will send stones in completely unexpected directions. The sling is one of the most dangerous weapons to learn because early misreleases are random. Start with soft projectiles (clay balls, bundled grass) until your release timing is consistent.

Training Progression

Stage	Target	Distance	Goal
1	Large blanket hung vertically	10 m	Hit the blanket 8/10 times
2	1-meter circle on ground	15 m	Land stones in the circle 6/10 times
3	Tree trunk (30 cm width)	20 m	Hit the trunk 5/10 times
4	Stump or log (small target)	25-30 m	Hit 3/10 times
5	Moving target (rolling stone, tossed object)	15-20 m	Track and connect

Expect to need 200-500 throws before your release timing becomes consistent. After 1,000-2,000 throws, you’ll be effective for hunting. This sounds like a lot — it takes about a week of dedicated daily practice.

The Bola

The bola (also boleadora) is a set of weights connected by cords that spread in flight, entangling the legs, wings, or body of the target. It doesn’t require the precision of a sling — the spreading cords create a capture zone 1-2 meters across.

Types of Bola

Type	Weights	Best For
Two-ball bola	2 weights on a single cord	Birds in flight, small game
Three-ball bola (classic)	3 weights joined at a central point	Running game (legs), large birds
Weighted bola	1 heavy + 2 light weights	The heavy ball strikes while light balls wrap

Building a Three-Ball Bola

Materials:

• 3 stones, each 150-300 g (5-10 oz), as round as possible
• Leather or rawhide to wrap each stone
• Strong cordage — 3 lengths of 60-90 cm (24-36 inches) each

Assembly Steps

1. Wrap each stone in a leather pouch:

   • Cut a leather square about 15 x 15 cm
   • Place the stone in the center
   • Gather the leather up around the stone
   • Tie tightly at the neck with cord, leaving a long tail

2. Or use a simpler method — carve a groove around each stone’s equator (use a harder stone to abrade a channel). Tie the cord directly in the groove with a clove hitch and secure with an overhand knot. Apply pitch adhesive over the knot.

3. Join the three cords at a central point:

   • Gather all three cord ends together
   • Tie an overhand knot joining all three
   • Or braid them together for the last 10-15 cm to create a handle

4. Equalize the cords. All three should be the same length from the central knot to their respective stones. Uneven cords cause the bola to fly lopsided.

5. Test the balance. Hold the central knot and let the weights hang. All three should hang at the same level. If not, adjust cord lengths.

Throwing the Bola

1. Grip the central knot (or handle section) in your dominant hand
2. Hold one or two weights in the same hand alongside the handle — the third weight hangs free
3. Begin swinging the free weight in a horizontal circle overhead, letting centrifugal force pull the other weights from your hand one at a time until all three are spinning
4. Release when the bola is spinning at full speed, aiming below and slightly ahead of the target
5. The weights separate in flight, spreading the cords into a spinning triangle that wraps around whatever it contacts

Aiming Tips

• For running game: throw at leg height, leading the target by 2-3 body lengths
• For birds in flight: throw into the path of the flock, slightly above the birds. The spreading cords increase your chances of hitting something.
• Effective range: 15-25 meters. Beyond that, the bola loses rotation speed and the cords don’t spread properly.
• The bola entangles, it doesn’t kill. You must follow up quickly to dispatch the animal. Carry a club or knife ready.

Bola Limitations

• Does not work well in dense brush or forest — the cords catch on branches
• Requires open ground or sky for effective use
• The animal is entangled, not incapacitated — approach with caution, especially larger game
• Weights can shatter on hard ground. Carry replacement stones.

Bola vs. Sling: When to Use Each

Situation	Best Choice	Why
Stationary target, long range	Sling	Precision at distance
Running game, open ground	Bola	Wide capture zone compensates for moving target
Birds in flight	Bola	No need for pinpoint accuracy
Defensive weapon	Sling	Higher velocity, greater force on impact
Dense brush	Sling	Bola catches on vegetation
Target in water	Neither	Sling stones lose energy; bola sinks. Use a spear.
Limited practice time	Bola	Faster to learn basic competence

Maintenance

Sling Care

• Check cords before each use — fraying means replacement, not repair. A breaking cord is dangerous.
• Keep the pouch supple — rub animal fat into leather pouches periodically
• Dry thoroughly after wet conditions — wet leather stretches and changes the release characteristics
• Carry a spare — slings are small and light. Always have a backup.

Bola Care

• Inspect stone wrappings after every throw — impacts loosen bindings
• Re-tie any cord that shows wear at connection points
• Replace stones that develop cracks — cracked stones shatter on impact and you lose the weight
• Store coiled with the weights together to prevent tangling

Key Takeaways

• The sling is the most effective primitive ranged weapon relative to construction effort. An hour to build, a week to learn, effective to 40+ meters.
• Use smooth, dense, uniform stones. Consistency in ammunition is consistency in accuracy.
• Release timing is the entire skill. Practice 200+ throws before expecting results. Always practice in open, clear areas.
• The bola trades precision for coverage. Best against running game and birds. Entangles but doesn’t kill — have a follow-up weapon ready.
• Both weapons use free, unlimited ammunition from natural sources. This is their greatest advantage over bows and spears, which require crafted projectiles.
• Build both. The sling for precision hunting at range, the bola for opportunistic takes on moving targets. Together they cover most open-ground hunting scenarios.