Board Thread:Off Topic/@comment-25396609-20150517000450/@comment-25396609-20150523180026

Blade splits, slides down onto itself to shorten it, then the two sides slide apart at the base, while the tips retracts allowing the ends of the blade to meet at the center, forming the main blade. after that, the entire assembly swivels to the side, opening a slot that the dagger locks into, acting as a top spike.