Today we taxed your grip. Tomorrow we tax your legs. Then we play with triple unders- whaatttt???
200 m. sprint x 6
Rest 1:1
800 m. jog cool down
-then-
Skill:
Triple under practice
You've seen it, you can read more about it here:
http://therxreview.com/progressing-from-double-to-triple-unders/