Can you guys recommend an interval timer for BJJ, MMA and boxing?
I'm talking about something like this: http://www.mmamuscle.com/timers-c261.html
gym boss, only $20, dollar for dollar the best investment ever. gymboss.com
Can you guys recommend an interval timer for BJJ, MMA and boxing?
I'm talking about something like this: http://www.mmamuscle.com/timers-c261.html
gym boss, only $20, dollar for dollar the best investment ever. gymboss.com