balls

Here we see Aldre Galvao and Leo Vieira playing around with a swiss ball in a series of drills that look:

a. fun

b. very impressive (hang in there till 1:45 or so)

c. very helpful for bjj training

d. all of the above

Here we see a group of young geniuses engaging in an activity that is:

a. smart

b. impressive

c. safe

d. what I’ll probably be doing this weekend. Whee!