This Exclusive patented (US Pat. # 6,979,770) pedal delivers a beat on the down stroke and on the up stroke. One foot turns into two feet for complex double patterns, it can also deliver single and double patterns in the same song. This Pedal causes rapid, multiple beats with no additional effort or foot speed by the drummer. Hyper-Bass is adjustable, the distance between upper and lower trigger bars is adjustable and determines distance of pedal travel. This adjustment alters rapidity of drum beats and general feel of the drum pedal to the taste and style. The Hyper-Bass pedal fits nicely into any setup, sized to fit perfectly next to existing pedals. The Hyper-Bass pedal will not waste your motion, and its easier on the legs than regular pedals. The hard bumper is included with purchase, the medium red bumper and black soft bumper are sold separately. Three different tension springs are included for your preference. Upon purchase you will be entered with 49 other drummers for the online Hyper-Bass Give away. Free Shipping in the USA