Electro Harmonix Freeze Sound Retainer - UsedElectro Harmonix's Freeze sound retainer allows for some real sound experimentation on the fly. Jam along to a frozen tone with one touch of the footswitch or hold it down to swap through sounds while playing to match your riffs. Incredibly useful for jamming alone or letting those droning guitar tones soar, the Freeze has quite a few tricks up its sleeve. This Electro Harmonix Freeze is in very good condition and is fully functional. There are few