I bought a bunch of BBI type hand sets off the internet a month or so ago and have been using them along with various Star Wars hands. I find the Obi-wan hands are pretty nice and work well (that's what my Duke has) and they look much better than the ones he comes with. I'll be swapping out the hands on all the figures that come with those wonky Duke hands.

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Of course that's just my opinion, I could be wrong.