Fingersplints, anyone use them?

General General CMT Discussion
1

If so, do they really help?

https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=fingersplints&tbm=shop

These look like jewelry,

https://www.4mdmedical.com/index.php/catalog/product/view/id/53110/s/murphy-stainless-steel-ring-splint-size-9/?CAWELAID=120141310000033875&CAGPSPN=pla&gclid=Cj0KEQjwmPKeBRCj4bOro6nBitABEiQABa2FJDCanmiDA8cQw98oh1lTT6APhIM31gCOpCEazePp-lcaAlh28P8HAQ#.U9250_ldW7U