 She became a voice for third-wave feminism and the Riot Grrrl movement in 1991.In 1991, Bikini Kill spent the summer in Washington, D.C., where Hanna began collaborating with Allison Wolfe, Molly Neuman, and Jen Smith from the band Bratmobile on the zine "Riot grrrl", which became a call to action for young women to embrace feminism and equal female involvement in the punk rock scene.The zines "cover[ed] strategies for safety in the mosh pit", "exploration of political ideas", and creating a collective for punk feminist women.