Around 20,000 BP, Homo sapiens perfected an elegant fix for the limits of human muscle: the spear‑thrower, or atlatl. A simple grooved stick about 60 cm long, it cradled a light, fletched dart nearly three meters in length. When hunters snapped their wrists, the atlatl acted like a spring lever, storing kinetic energy and releasing it in a whip‑crack that could push the dart past 150 kph. Ethnographic tests with modern replicas reveal penetration equal to a .45‑caliber pistol at short range. Tha

Add more loft to your spear throw. For more obstacle training tips: http://sprtn.im/RingTheBell2017 | Spartan

Indigenous Australians used spears to hunt for thousands of years. It's not as easy as it looks, as these youngsters discovered when they were taught by Jinibara custodians at Woodford. 🎥 Megan Kinninment Filmed at The Planting Festival | ABC Sunshine Coast

Atlatl Spear Thrower | Nighthawkinlight Projects