Report: Kanye used Kim sex tape to get in mood with other women

Before Kanye West was sleeping with Kim Kardashian ... he used to have sex with other women while watching Ray J and Kim Kardashian go at it on Kim's now infamous sex tape, according to a report on TMZ.com.

Multiple sources with first-hand knowledge of the situation tell us ... Kanye used the Kim K sex tape in the bedroom to get him in the mood ... and it always worked.

As we previously reported, Kanye has had a thing for Kim dating back several years ... and even tried to get her to break up with Reggie Bush in 2009 so they could get together.
Read more: http://www.tmz.com#ixzz265WGZUBM