/challenges-projects/project14/backtoanalog/b/blog/posts/hiraga-preamp-build-3-gorilla-brakeNormally I would have just bought some aluminum boxes but the prices are ridiculous, and I did not have a finger break to make my own. Having no real metal brake, I had to improvise. and the results were better than I had hoped for. So here is what wen-USTelligent Community 12