Express yourself'. '.strtoupper('l')ike never before'. '.strtoupper('t')he electro harmonix cntl knob static expression pedal gives you versatile control of any device with expression control jacks'. '.strtoupper('t')his is everything you want from an expression pedal at a fraction of the size'. '.strtoupper('p')owerful effects'. '.strtoupper('a')ll at the touch of a button'. '.strtoupper('t')he cntl knob lets you set two preset values representing two positions of a traditional expression pedal'. '.strtoupper('w')ith one click you can toggle between them giving you access to a wealth of vastly different sounds'. '.strtoupper('a')nd with a trs switch on board the cntl knob proves highly flexible'. '.strtoupper('t')his is everything you need to upgrade your rig.