LUTER 4pcs Jar Opener, Rubber, Multi-function Silicone Bottle Opener for Seniors with Weak Hands Lid Cap Gripper Pads Kitchen Coasters Gadgets(Light Blue, Green)

Do you have a silicone jar opener? That might help, and they’re useful generally for gripping & twisting. Here’s an example. https://www.amazon.com/LUTER-Botellas-Multifuncional-Almohadillas-Posavasos/dp/B0B49Y68LF/