Yokozuna514
2nd Black Belt
I'm intrigued by your supposition that bjj is different in this regard. Will put more thought into it the next time I have a chance to roll.Oh no, I get you alright. I agree with the point of using an empty cup to learn new techniques.
My point is that with bjj that isn't as important. If you have other stuff that works in a roll, it's helpful to bring it with you.