The Stroke Counter would be a belt that ties around the chest of a swimmer with two sensors on each side underneathe the armpit. The sensor then would count the number of stokes the swimmer was taking. It would count each time the shoulder would rub up against the sensor. It would work in every stroke. The benefit would be that swimmers could now see how many strokes they're taking each length. The goal would be to see how many strokes you're taking per length and then try to cut that...