I found they frequently slipped and dug into my flesh. I found a few threads where guys used a heatshrink wrap to help with this so I tried it and it was an improvement, but they still moved too much for me. So I put another piece of heatshrink on the back to make a solid circle around my fingers.
This works well for me, I find playing hard enough without having to adjust picks as I'm playing, I've posted some photos below,





Don't know if this has been tried already, probably, maybe once I get better I'll take off the stabilisers



