Grandee Corp's RinG-Pen is designed to fit the human hand to help prevent writer's cramps and carpal tunnel syndrome! http://www.ringpen.com/index.html (via Gizmag) |
Grandee Corp's RinG-Pen is designed to fit the human hand to help prevent writer's cramps and carpal tunnel syndrome! http://www.ringpen.com/index.html (via Gizmag) |