Toolmonger is offering up a how-to guide for building a custom Guitar Hero controller -- using a real guitar! Be warned, it's a difficult task, as the original modders can attest. It took Toolmonger a full 75 hours of dirty work (read: deconstruction, cutting, and mangling). Thankfully, the site documented the process down to the minutest detail. Did you know that cat-5 networking cable is the ideal wire to run inside the neck?