Knuckle-spikes

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Knuckle-spikes are weapons from the live-action film series continuity family.

Knuckle-spikes are among Optimus Prime's vast arsenal and extend from the Autobot leader's forearms.

X Gon' Give It To Ya!

Fiction

Dark of the Moon film

During the Battle of Chicago, Optimus used his knuckle-spikes to punch Shockwave through the abdomen, weakening the Decepticon. This was the first and last time we ever got to see them. Dark of the Moon

Toys

Asia Premium Series

• Optimus Prime (Ultimate Edition, 2015)
  • Asia ID number: APS-01U
  • Accessories: Eliminator Gun & Assault Blaster (forms Mega Striker), shield/battle shield, Tank A & Tank B (forms Ion Blaster), Jetwing jet pack, Arm Gatling Cannon A & B, Leg Armor A & B, Knuckle, 2 Battle Blades, 2 Battle Hooks

Asia Premium Series Ultimate Edition Optimus Prime includes a brand-new knuckle accessory, which can be installed in either hand.