- In reference to this card's effect, "Green Gadget", "Red Gadget" and "Yellow Gadget" appear in this card's artwork.
- In some video games this card, and in the anime, has a second artwork with a "G" in place of "Green Gadget", a "R" in place of "Red Gadget" and a "Y" in place of "Yellow Gadget". Spelling G-Y-R, referring to the word Gear.
- This card's first Japanese printing labeled it as a Normal Trap Card, instead of a Continuous Trap Card.
- This card's OCG/TCG artwork is taken from Yu-Gi-Oh! Millennium World - Duel 061, specifically from the panel where the 3 "Gadget" monsters are shown attached to this monster.
- This card has a retrained counterpart: "Metalhold the Moving Blockade".
*Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.