To many of these women, it became apparent Rose and her husband (who regularly participated in threesomes with his wife and her lovers) took a particular pleasure from seeking to take women beyond their sexual limits—typically via sessions involving bondage, as the Wests openly admitted to taking a particular pleasure from any form of sex involving a strong measure of dominance, pain and violence. To cater to these fetishes, they amassed a large collection of bondage and restraining devices, magazines and photographs—later expanding this collection to include videos depicting bestiality and graphic child sexual abuse.