Click here to listen to Annah Stretton talk to RNZ about RAW.

Annah Stretton is a name you probably wouldn't associate with prison..  but for five years, the fashion designer and social entrepreneur and her sister Rebecca, have been helping women prisoners find a way out of the vicious cycle of drugs, addiction and violence.

Their programme, RAW On-the-Inside has helped show nine percent of the female prison population how to make a better life and helped countless others still in prison.

The stories of two dozen of those women are in a new book,  Annah Stretton joins Jesse Mulligan to talk about the story so far.