This document summarizes a PhD research study exploring how roller derby presents itself and its players through marketing communications. Specifically, it examines whether the marketing represents "real feminism" or "commodity feminism." The study aims to understand how the democratic and player-owned nature of derby influences women's identities, and how derby challenges mainstream femininity ideals. It also discusses frameworks for analyzing advertising texts and the perfect non-sexist ad. Key findings include the empowering impact of derby, how outsiders perceive it, the need for leagues to consider how their marketing materials may reinforce images, and analysis of one league's logos. The conclusion is that the advertising of one league studied promotes gynocentric