This Tennis Racket Grunts Like Maria Sharapova When You Swing It
You don’t actually need to grunt to get a good tennis swing, so why not let you’re tennis racket do all the grunting for you.
tennis
DIY Tennis Ball Holder
Why not let this fuzzy fella keep a googly eye on you stuff for you with this quirky DIY tennis ball holder from wikiHow?
Prototyping a Tennis-Tracking Device in Shenzhen: A Lesson
A must-read for any makers considering prototyping product ideas.
