Patent ID: 8167671

Claim:
A device for attachment to a water-ski or water board bearing a boot affixed to a substantially planar top surface thereof, wherein the boot has a toe end and a heel end, and wherein a peripheral region of the heel end is affixed to said top surface by at least two screws passing through holes passing through the peripheral region of the heel end and into the top surface of the water-ski or water board, comprising: A. a buoyant body comprising a hollow collapsible structure adapted to be selectively inflated and deflated with air having at least three substantially planar surfaces, B. a substantially planar rigid base plate fixedly coupled to the planar surface of the buoyant body and including at least a mounting portion extending therefrom, wherein the mounting portion is adapted for insertion between the heel end of a boot and a top surface of a water-ski or water board, and when so positioned, is adapted to receive two screws passing through holes in a peripheral region of a heel end of the boot and through the mounting portion and into the top surface of the water-ski or water board, whereby the base plate is directly fixed to the buoyant body and captively held to the top surface of the water-ski or water board.