Nightwingology on X: The gauntlets also replace the separate grappling hook launcher tool by building it into the glove. They fire a near unbreakable prometheum hook and cable. The cable launcher has

ArtStation - Grappling Hook and Grappling Gauntlets.

Nightwingology on X: Nightwing's gauntlet is potentially his most versatile tool, as it has also included an electrified glove, and in my opinion the coolest gadget, a portable laser. He also carries

ArtStation - Grappling Hook and Grappling Gauntlets.

Nightwingology on X: His gauntlets have been used to store a variety of other gadgets, including flashbang grenades, wrist darts, sonic grenades, and bolas. / X

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Nightwingology on X: Nightwing's gauntlets have been used in a variety of ways, often serving as a portable computer, communicator, and GPS. / X

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ArtStation - Grappling Hook and Grappling Gauntlets.