If I take a 4x4 piece of a coke can or whatever, I have to roll it into a cone, and I ahve to leave some of it open in the bottom right? won't the weed fall in?

I've never used a bong before so explanation would be good.
poiuyt Reviewed by poiuyt on . Making a bong...?? If I were to make a bong with a water bottle, how would I go about making the bowl? I've read using a pen to connect the bong to the bowl, but what could I use to amke the bowl? Rating: 5