Board Thread:Off Topic/@comment-26198742-20150814001859/@comment-25396609-20150917165639

It has gone through countless variants ranging from different configuration of coils and battery styles, to having a massive backpack style generator, and a few poorly planned experiments with other types of dust, including altering the mechanisms to work with different elements.

Basically, he does with his weapons what Tony Stark does with the Iron Man suits, just keeps making more, so he pretty much has a different variant for every possible situation, including a fully collapsable pair that look like wrist watches and when stored.