Tama HP900PSW Drum Pedal W/Case The Iron Cobra continues to evolve! TAMA's innovative "Cobra Coil" pedal spring accelerates the return of the footboard to its original position. The result: an unbelievably effortless action that sets the already smooth Iron Cobra apart from all other pedals in the market. For 2009, the Cobra Coil is a standard feature on all Iron Cobra models. Power Glide off-set cam pedals are typically chosen by players who want a steady, powerful and speedy action. Power Glide Cam The best selling Iron Cobra of the series, the Power Glide models, feature a double-chained offset cam which increases power and speed as the beater reaches the end of stroke.