Getting dominated by a stronger & bigger opponent in side control or smashed in the face from mount or being choked from back control by a tough BJJ athlete is one of the worst feelings ever.
You have absolutely ZERO CONTROL. This is worst case scenario no matter what type of fight you in are in.
BUT - if you just KNOW that you are can 'get out' - then you never have to FEAR being grabbed, smashed, grounded and destroyed by bigger opponents.
That is why, one of the most essential (yet sometimes boring) skills to develop is the ability to defend, counter and escape anything your opponent throws at you.
The best 'escape artists' in the world are MMA & BJJ athletes. Unless you are on their level, it is near impossible to 'keep them down'.
So... If There Is One Jiu-Jitsu Skill That Every Man & Woman Should Know Is...