Doc Johnson has partnered with Motorbunny to elevate the world’s first and only hybrid saddle vibrator and thruster machine, Motorbunny Buck, to create a version compatible with Doc Johnson’s patented Vac-U-Lock technology. The Doc Johnson x Motorbunny - Buck with Vac-U-Lock showcases the signature “all-the-way-to-11” vibration power of Motorbunny and has two separate thrusting motions. With Vac-U-Lock compatibility, this machine now gives users endless possibilities to deliver targeted, adjustable stimulation and have profound, multi-layered orgasmic experiences. Sub in hundreds of other Vac-U-Lock attachments for a new ride every time!