While I'm certain that Jane would have been fine with being tied up with a vibrating wand all day, she needed a little variety. I felt she needed something to keep her on her toes. A copper bar under her butt should have the desired effect. She's a tough girl, so it took setting the power to 70% to get her moving. After some endurance trials, I eventually left it on random. Every few seconds Jane is compelled to try to avoid the copper bar. If only her handcuffs and collar weren't holding her down.