Ther eis a procedure PT do, with McConnel taping I think it is called. Someone can be taought how to apply it for you. But the tape may irratate.
this is a link to some braces. Clavicale braces....
[img]http://dme-direct.com/images/661.jpg]/img]
http://www.dme-direct.com/shoulder-b...t-c-30_55.html

there is the brace with an arm rest which Dr. Fried uses too.
I think that may be G-Moms link.
Hope something helps you,
Dianne