Sports club, bat or racquet, especially golf club; has hollow handle, which may hold stimulation devices

摘要

The golf club has a hollow handle (2). Electronic devices may be incorporated to stimulate the golfer. The device may use a pulsed magnetic field, a reference current stimulator, an ultrasound stimulator, a small massager or a quartz or permanent magnet stimulator. A flywheel motor may be integrated in the handle.