Lets talk about why Eddie's Rubber Guard is so good.

[Eddie Bravo]

Generally you can't run any kind of guard clinics on brown and black belts especially if they are your size and strength or bigger. At the higher levels matches are decided by tiny little mistakes caught by the skin of ur teeth. By the time you are a Bjj or tpjj black belt you should be running guard clinics on purples and blues and using that practice, that polishing, those reps to catch browns and blacks making mistakes in hopes that one part of your guard system popps thru