Bristle allows Tsuyoshi to make his hair super hard. He has not been seen using it under any circumstances, so more characteristics of the Quirk are unknown.
- This Quirk shares similarities to the unnamed hardening Quirk possessed by Crimson Riot.
- My Hero Academia: Team-Up Missions Manga: Chapter 3.2.
*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.