Mission Engineering EP1-XThe Mission EP1 X features a forward reverse capability. Designed to work mainly with stomp boxes, in normal mode the minimum value will be at heel down with max at toe down, the same as a standard Mission EP 1. However, the EP1 X has a secret weapon. Flip the toggle switch and the direction will reverse. This works great with many stomp boxes such as ring modulators, tremolos, and many others. The EP1 X is especially recommended for use with the WMD