I don't have any left right now, but I used to make em. There pretty fun and super easy to make, but they break easy. I used clay right out the earth, near where ever there is a stream of water running down a hill side usually. What you do is take some clay and a guitar string, one of the big base strings on a larger gauge, and roll a cone shaped piece of clay around the string, to where the string is in the middle, shape the pipe however you want it into whatever shape you would like, and then pull the string out. I will shape the bowl a bit before removing the string usually, I use another rounded piece of clay to do that, but you could do it with your finger if you want probably. Than you let it dry out real good, and fire it in a fire pit, dug a couple feet deep at the least to make a sort of oven. If you don't let it dry out good before you fire it, it will crack or maybe explode. And you can't do it in a normal camp fire, it needs to get really really hot so you need to make an oven of sorts. I always made cool little hobbit like pipes, pretty fun.