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Effect / Mechanics
Held: Sandstorm by the holder lasts 8 rounds instead of 5.
Source: PokeAPI
In-game description
"An item to be held by a Pokémon. It extends the duration of the move Sandstorm when used by the holder."
Properties
Holdable Holdable (Active) Underground
Fling Power
10 Power
Power of the move "Fling" when using this item.