"Erotic stimulation by the use of vacuum cleaners or electric brooms appears to be a common form of masturbation. Unfortunately, and contrary to apparent public appreciation, injury due to this form of autostimulation may not be unusual. Five cases of significant penile trauma resulting from this form of masturbation are presented, with a spectrum of severe injuries, including loss of the glans penis."
Image: flickr/Nevada Tumbleweed
Related content: Discoblog: NCBI ROFL: A vacuum device for penile elongation: fact or fiction?
Discoblog: NCBI ROFL: Oily balls.