a trumpet mouth piece works perfectly and it looks just like a real slide only its real thick and metal

i once made a bong out of a toy light saber a small maglite flashlight and a trumpet mouth piece it worked very well for me for a few years till i replaced it with my glass bong
D.Boone Reviewed by D.Boone on . bowls whats a good bowl for a homemade bong made out of a 2-liter coke bottle and the outside of a pen? ive got the metal thing from the top of the pen but its too small, probably 0.2- 0.3 grams a time. Rating: 5