WS 27: How to make wrist support watch bands

I had made an earlier attempt at creating a very simple watch band using just one button to close it: please see WS 18. Now with my wrist problems (carpal bone pain, carpal syndrom, tendonities, repetitive stress syndrom) I had started using different wrist braces and thumb braces.
I then thought, I want something self-made that could be a double function wrist support and watch band, and so "SLING I" was borne. Click on the picture please to see "SLING I"

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