Helmet
Any head protection is a "helmet tag" in anime. Bike lids for speed demons. Feather knight helmets. Mecha visor neon. Middle Ages full-face ones. Danbooru breaks them up, but all helmets protect heads. Ideal for warriors, racers, and explorers. Hides odd or useful faces. Fights, races, dives.
Motorcycle ones are sleek, and Celty's yellow Durarara lid has cat ears. Shadows swirl below. Goblin Slayer's metal bucket has narrow eyes and rough ribbon trails. The lens looks deep and Reg's Abyss helm horns protrude. Charlotte Roselei's gladiator crown thorns are sharp in Black Clover. Elric's armor's skull smiles blankly. Trapped Fullmetal soul. Zero's mask trident spikes are sharp. Flipping eyeshields look cool on racers. Art shines through scratches, reflections, and fog. Visors glare as poses charge forward. Mecha cockpits scare pilots. Blurred or calm wallpapers are possible. Give it sci-fi and fantasy weight.
Helmets indicate rank or anonymity. History informs kabuto samurai style. New twists add style. Boosts intimidation, hides weakness. Spot Goblin Slayer hordes or bike gangs, shifts tone instant. Gearheads love details. Hunting will be more appealing after one look.