Equip only to a "Power Tool Dragon" or Level 4 or higher Machine "Morphtronic" monster you control. While equipped:
●During your turn: The equipped monster gains 1000 ATK. If it attacks, negate the effects of the attack target during that Battle Phase.
●During your opponent's turn: Your opponent's monsters cannot target monsters for attacks, except the equipped monster. At the end of the Damage Step, if the equipped monster battled an opponent's monster: Destroy that opponent's monster.