Uses small paper wads, wooden match bits, etc. as ammunition. Can really sting. Will Put your eye out.
1. Take clothes pin apart and file right angle in body of one side of pin as shown. Reassemble pin using rubber band. Put barrel of spring on outside of pin.

Step 1: Cocking the Gun

Cock the gun by pushing back on bar of spring until it rests into the right angle notch you filed

Step 2: Firing the Gun

Place ammunition where indicated. Push pack on barrel of spring so that the bar of spring in released from the right angle. The bar will send the ammunition flying . Be careful