<P>This book is an immersive ethnographic account of how fighters at a Polish-owned Muay Thai/kickboxing gym in East London seek to reject prior identity markers in favour of constructing one another as the same, as fighters, a category supposedly free from the negative assumptions and limitations associated with prior ascriptions such as race, class, gender and sexuality.</P><P>It explores questions of subjectivity and identity by examining how and why fighters sought to disavow identity, which involved casting aside pre-established ways of thinking, feeling and acting about constructed differences to forge deep bonds of carnal convivial friendships. Yet, this book argues that becoming a fighter is highly socially contingent and remains subject to rupture due to the durability of taken-for-granted thinking about race, gender and sexuality, which, if drawn upon, could pull people out of the category of fighter and back into longer-standing durable categories. This book deploys Butler''