Thie attacks of the Pokémon this card is attached to do 20 less damage to all Defending Pokémon (before applying Weakness and Resistance). (Don't apply Weakness and Resistance for Benched Pokémon) When this card is removed from a Pokémon for any reason, put this card in its owner's discard pile.
Attach Jamming Net to 1 of your opponent's Pokémon-EX that doesn't already have a Pokémon Tool attached to it. If that Pokémon is Knocked Out, discard this card.