I've done some blind randori before. I loved practicing this way it defiantly improved my judo. It's not a bad idea especially when you wanna notice your bad habits as well. The problem is it can be very dangerous at times. Someone really needs to be watching.
If you are having trouble getting to that next step in your training this might be an good idea to try.
If you are having trouble getting to that next step in your training this might be an good idea to try.