Foxrox Electronics ZimZIM is two independent true bypass effects in one pedal. It's the definitive dual drive pedal. The two channels can be configured a number of different ways, depending on which ZIMcards are installed. The convenient arrangement allows you to easily customize your ZIM to suit your needs. ZIM is not the same as other overdrives. Instead of a bypass switch and a boost switch, ZIM has two individual channels which can be used individually or together in