The only thing I see 'wrong' with the knife is the way your character holds it. With two hands. What the hell.. is it a knife or a sword? Who holds a knife with two hands...
Maybe it should be changed to look more like the gani for the carrot, but keep the same freeze time, damage and so forth. I don't know, I guess I'm being picky... lol.
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I wish my Sig didn't suck so bad.