Since I damaged my middle finger I have gone back to a pick coming from guitar where I rarely fingerpicked. My issue is holding onto the pick itself at my age with diabetes and arthritis. I have been using the thumb and index and middle. What about using a big enough pick where I can use the index,middle and ring finger with the thumb? Any recommendations on bigger picks that are somewhat thick and rigid but non slip types? I have been actually "bending the thinner picks" into a curve with the 3 fingers in an attempt to strengthen my fingers a bit. But I have to go slow starting with new exercises these days. Any other suggestions or corrections?