Metronome

A Pokémon held item that boosts a move used consecutively. Its effect is reset if another move is used.

Metronome is an item for a Pokémon to hold in PokeMMO.

How to get Metronome in PokeMMO

Metronome can be bought on the GTL, for about $399 right now. 3 wild Pokémon can hold it: Kricketot, Kricketune, Chatot.