A Poké Ball that works best when catching a Pokémon that is of the opposite gender of your Pokémon.

Used by a trainer in battle : Attempts to [catch]{mechanic:catch} a wild Pokémon. If used in a trainer battle, nothing happens and the ball is lost. If the trainer's Pokémon and wild Pokémon are of the same species but opposite genders, the wild Pokémon's catch rate is 8× normal.