The Pearl P-122TWL PowerShifter Double Pedal is a left-footed version of the P122TW. Its pro features coupled with the great price make it an easy choice for any player looking for quality and affordability. It features Pearl's True Round Cam for linear action with smooth, well-balanced feel, and a single chain-drive for speed and durability. It also includes a PowerPlate for rock-solid stability. Pearl's patented Power-Shifter function allows the footboard to be adjusted to three different positions for light, regular, and heavy feel. No matter what kind of feel you prefer, you are likely to achieve it with this great double pedal.Duo Beat Beater offers two different faces, plastic (hard) and felt (soft), adding great versatility of sound over single surface beaters. It's like getting two beaters in one. Beater Angle Adjustment allows infinite angling of the beater for perfect positioning.