Michael Mercier has been crazy about hovercrafts since he was a little boy.  Protoytping and building model after model of increasing sophistication from high school through college he refined his knowledge and skills for over a decade.

Boxers who want to be at the top of their game, wanted a tool to help them track how many punches they can throw in a minute, how hard the punches are, how long they can sustain the number and intensity of the punches and track the progress they made from session to session or week to week.