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(pictured above, Nate Potter OT Boise State) I'm trying to figure out what exactly the "straps"...
(pictured above, Nate Potter OT Boise State) I'm trying to figure out what exactly the "straps" are for on Nate's biceps. It looks as though they attach to his shoulder pads, but I can't figure out the purpose. . . Anyone care to enlighten me?

