NOTCH JET STEP II Foot Ascender Select Type:Replacement Straps for V2 The treeMOTION Essential is equipped Rear Handle The treeMOTION Essential is equipped with sliding adjustable buckles for the beginning climber and the treeMOTION Pro with the Cobra quick release buckles for those with more experience to secure superior cutting efficiency through perfect interaction between the chain The Notch Jet Step's unique dual cam design results in lower spring tension and reduced drag The completely redesigned compact body removes the lower fairleads and adds angel wing guides on the dual cams to minimize kickout and dramatically reduce drag