its not much but. took a 12ga shell poped out the primer, put a dowel in all the way exept about 1/4'' and dimpled it with a drill .added a I-screw in the front where the shot comes out of, and added two treble hooks.cant try it out :'( darn ice, but...... ;D i tryed it out in my bath tube and it made a real good loud poping noise. cant wait to try it out. also im looking for a name im thinking of calling it the 12ga popper but does eny one have a name for it? thanks