Drillers make killers!

They say 'drill to win', there's even a book out there with those three little words; there's a lot to be said for and against on the practice of drilling, this article is in the pro camp, check it out...........

http://www.bjjee.com/articles/drill-to-kill-science-backs-up-effectiveness-of-drilling-for-jiu-jitsu/