i like when bongs are clean, simple, and efficiant (like yours). good work, it looks like it'll hit hard. i too use metal pen tubes alot.
NightProwler Reviewed by NightProwler on . my homemade bong :) after breaking my glass pipe, i had to make something... stuff used: -smart water bottle -metal pen tube (stem) -socket (that fit perfect and really tight on the pen tube) -lotsa electrical tape -some hard plastic (to keep the bowl at an upright angle) 100_12861 - Cannabis Photo Gallery Rating: 5