The self-firing trap or setting bow is normally hexagonal, to which a a guide board and a release mechanism are attached to it. The guide board was the size of the game to be shot at a certain height above the ground on a wooden forked at the top and the arrow inserted. On the front end of the The front end of the board was covered with a bark tube to protect the poisoned arrowhead from moisture. The bow body was attached to the angle formed by the guide board and the bark tube. bow body was attached. This bow was often made shortly before use and was usually longer and usually longer and stronger than the hand bow. The bowstring of the bow was tensioned and locked in this position by means of the L-shaped trigger. If the animal touched the contact string the contact string connected to the trigger, which was stretched across the game, the shot was released and the arrow and the arrow hit the prey in the flank.