• Ruby and Sapphire

 > A bone of some sort. It can be sold cheaply.

 • Emerald

 > A hold item that raises CUBONE or MAROWAK’s ATTACK.

 • FireRed and LeafGreen

 > A hard bone of some sort to be held by a CUBONE or MAROWAK. It raises the ATTACK stat.

 • Diamond, Pearl, and Platinum

 > An item to be held by CUBONE or MAROWAK. It is a hard bone of some sort that boosts the Attack stat.

 • HeartGold and SoulSilver

 > An item to be held by CUBONE or MAROWAK. It is a hard bone of some sort that boosts the Attack stat.

 • Generation V

 > An item to be held by Cubone or Marowak. It is a hard bone of some sort that boosts the Attack stat.

 • X and Y

 > An item to be held by Cubone or Marowak. It is a hard bone of some sort that boosts the Attack stat.

 • Generation VII

 > An item to be held by Cubone or Marowak. It’s a hard bone of some sort that boosts the Attack stat.