I've looked through the entire ESB Boba Fett photo gallery, and the girth belt position randomly fluctuates between right above the large dent...
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...And above the codpiece entirely, with the ammo belt sort of in the middle...
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In this next picture, he may not even be wearing the girth belt at all...
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So do you think this is just due to the belt riding up the codpiece when walking? Maybe the codpiece fell down a bit? Or is this some ridiculous "screen accuracy" thing like the upside down knee pads? What way should people wear their girth belts?