BlundrPolicyin Pokémon Polished Crystal

Raises Speed by two stages when a move misses. (Hold) Miss a move, you get +2 Speed. One-time use, though! Pairs well with Hustle users or lower-accuracy moves like Focus Blast. Idea is since you're gambling anyway, might as well get something out of a miss. Kind of a goofy item IMO, but it has its moments!