Wearable technology is becoming increasingly popular with the rise of fitness and technology. Nearly everyone has a smart phone these days, and the ability to track and collect info about your workouts and performance is becoming easier all the time. Rolltec is the first “wearable technology dedicated to grappling (BJJ, MMA, Sambo etc.) that allows you to track your rolling positions and improve your game.”
The start up is still working its way to its funding goals, but full details about their project can be found on Kickstarter here.