We'll have to look to modders for this I think, with things like
these. Personally I've made it unnecessarily difficult for myself anyways by carrying all my arrows inside a dead squirrel I picked up somewhere, but that's besides the point.
Also a little off-topic, but I just saw the topic linked in your signature Tuco and I was wondering, was the movement system ever tweaked and/or improved upon in the four years you kept that topic alive?