1. PRESS FOR WRAP-AROUND SOLE EDGE COMPRISING A SHOE SUPPORT; A FRAME FORMING A PAIR OF OPPOSED ELONGATED RIGID MEMBERS SPACED APART BY A DISTANCE WIDER THAN THE WIDTH OF THE SHOE AND SUBSTANTIALLY PRALLEL TO THE LENGTH THEREOF, INFLATABLE, RESILIENT PRESSURE MEANS LOCATED AT FACING SIDES OF SAID MEMBERS ESSENTIALLY ALONG THE LENGTH OF THE SHOE LEAVING FREE AT LEAST ONE OF THE ENDS THEREOF; A MOVABLE END PIECE SHAPED TO MATCH THE FREE SHOE END; MEANS MOVABLY MOUNTING SAID END PIECE; CONTROLLABLE POWER MEANS MOVING SAID END PIECE INTO ENGAGEMENT WITH THE SHOE, SAID POWER MEANS ABSORBING THE COUNTER PRESSURE OF SAID PRESSURE MEANS WHEN INFLATED.