Archery

Throwing arrows
''Some wood show exceptional flexibility and ability to store tension without breaking. What if we could find a way to throw a projectile, simply by releasing a bent piece of wood, stronger than any arm can?!''

Potential Requirements

 * Supposition: Hunting with javelers may triggers archery.
 * Having armies or militia containing javelineer's might be all that's required, actions with them potentially not necessary. Chance to discover might increase depending on amount of javelineer's.
 * Producing Javelins whilst having Primitive towers may work.