I was looking at a bunch on this one website, and was wondering if anyone had ever tried to build one? I did a few searches on google, but didn't find any instructions or directions or anything. I noticed one was made with a KitchenAid mixer, and thought I could manage that, but was wondering if anyone knew of any ways to build one that would have longer thrusts? I also saw a machine that has an extended pole that just vibrates. If anyone knows how to build these, or what common things can be altered with little pain, please post. Also, if you know of a website that has instructions that would be helpful too. I would love to do some self bondage with the machines, or have my bf tie me up with them and then leave for a little (not too far incase something happens), just go and do something else for a while.