User blog comment:Master Sima Yi/Assassinews 04-06-'12 — E3 hub/@comment-78.146.203.216-20120608140243/@comment-50.83.64.105-20120608165456

HIs hidden blade is still a hidden blade, but he has a little wrist flick that he does that allows him to extend it and use it as a dagger. This was shown in a gamplay vid at some point, but I unfortunateky can't recall which one right now. :/