I actually bought a fidget ring to help me keep my hands busy during down time! They’re rings that have a little band on them that spin and I love it. (They’re also called spinner rings). Here’s an example from amazon (the one I bought isn’t available anymore so I can’t vouch for this one)
Fashion Stylish Spinner Ring 925 Sterling Silver Boho Handmade Jewelry for Women Size 6 https://www.amazon.com/dp/B07MJBQ821/ref=cm_sw_r_cp_api_i_OaN-DbC5HA8VY