Bag Handle For Chonky Mitts

I needed a bag handle that fits my fat hands. Others have either no shape, or clever ergonomic knobbly bits that stick into the wrong places on my thick stubby fingers. Also I carry a lot of other things than bags, and sometimes I need a flat groove to hold a string, sometimes a slot to hold a strap - so I put a groove on one side and a slot on the other. Works for me, YMMV but it is parametric so do play.