Boss EV5 Expression Pedal
The Roland EV-5 Expression Pedal functions as a multipurpose pedal for many Roland and BOSS products. Depending on the instrument or product being used, a Roland EV-5 can function as a volume pedal, real-time parameter control pedal, or data-entry pedal.
This ruggedly designed footpedal has a mechnaical switch to activate and de-activate your required effect and the surface of the pedal uses a layer of rubber that has been manufactured to look like tyre tread - presumably this is to facilitate maximum grip when using the pedal. In truth this product should really be called a foot controller as essentially that's what this pedal does ....
The user assigns it to a particular task or function and then deploy it to increase or decrease the desired effect or application .... the connecting cable is almost 2 meteres long and the pedal is easily small enough and light enough to fit into the pocket of a gig-bag or holdall ...