A simple tool for Arthritic Hands

[Jon]

Interesting. I wonder if some sort of adjustable multi-handle is viable. And, is it reasonable to flute or knurl a sphere?

I am reminded of the time I wondered if I could dip my finger in glue, and then in sand, and use it for fine detail sanding. Perhaps not my single greatest idea, but it did lead me to this unusual item (gimmickiness as yet unknown):