I think Johnny Petraglia used to be a sponsor of this index finger support sleeve also. I want to say it had "Accu" in the name or Super Touch but I'm not positive. I've been searching for something like this as I have arthritis in my index finger knuckle and need the support but don't want to wear a wrist device. Right now, in order to bowl pain free I have to wear the Moro Pro release extended version to support my finger. Here is an old PBA show where Matt Surina is wearing an index finger support. It's not the one that I remember Johnny Petraglia using. Thought that was red.//www.youtube.com/watch?v=DaxLgIJ259k
The wrist aides in supporting the fingers...if the wrist breaks down the pressure transfers to the fingers
http://www.ebay.com/itm/Master-AcuPRO-Finger-Brace/281502032687?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D27538%26meid%3D578bebabeeb34b3888041e9a922c59d7%26pid%3D100011%26prg%3D11353%26rk%3D1%26rkt%3D10%26sd%3D281336203196