The bunny hood for sure. Is it just me or does MM Link seem slower than any other link ever? >.<

A close second would me the...oh wow, i'm suddenly getting a mental block and can't forget what it was called...the one that you put on and became invisible...the stone mask, was it? Oh well, either way it was good for saving time from having to fight pesky little enemies, like the blowing up mice thingys (man, i really need to refresh myself on this game lol)