Spiked Gauntlet (5e Equipment)
From D&D Wiki
Martial Melee Weapons
A metal gauntlet made of interlocking plates that has a number of spikes on the back and a spike at each knuckle. They are normally worn in pairs.
Unarmed: A weapon with the unarmed property replaces your unarmed strikes
Glove: A glove weapon is worn on your hand or forearm, and you cannot be disarmed of it. You can hold objects, wield weapons, and cast spells with a hand fitted with a glove weapon, but you can only attack with the glove weapon if that hand is unoccupied.