Cut the bottom (or top) off a glass bottle using only nail polish remover/acetone, string, matches/a lighter, and a sink filled with cold water. =D Takes only a few minutes!
Message me if you have any questions, I’d be glad to help.
I used this technique to make a musical instrument called an udderbot. Learn to make one here: https://udderbot.wikispaces.com/Udderbot+making+guide
Post time: Dec-21-2016