Cheap little trick I bought.

[Davantrac]

Bought and it arrived today. It's superb, nice soft rubber, you can actually compress the rubber it's that's soft. Very grippy. And I've cut mine into two. Brilliant for undoing tight rba's etc.
Cute Chicken Duck Shaped Non-slip Soft Silicone Bottle Cap Jar Can Manual Opener | eBay

 

[Susan~S]

Looks like it could come in handy for vaping as well as in the kitchen!

 

[BraveNewWorld]

IV been in that position lol and I use a piece of shelf liner. The rubber dot squishy kind