Patent ID: 6955610

Claim:
An apparatus for improving a swing of an individual, comprising: (a) a shaft having an upper portion, a lower portion and a central portion extending therebetween and defining a longitudinal axis; (b) a member slidably mounted with respect to the central portion of the shaft and adapted and configured for movement between the upper portion and the lower portion of the shaft, said slidable member defining a fully enclosed accessible hollow region; (c) first means located in the upper portion of the shaft for preventing the slidable member from sliding over the upper portion of the shaft; (d) retaining means associated at least in part with the first means, said retaining means functioning to restrain axial movement of the slidable member along the shaft until a pre-selected restraining force is overcome; and (e) second means located at the lower portion of the shaft for preventing the slidable member from becoming disassociated from the shaft wherein the weight of said slidable member is adjustable by introducing or withdrawing material from said fully enclosed accessible hollow region.