Excerpt from the Journal of Irresponsible Results

"Remotely induced hyper-orgasms while contorted in a pretzel-like condition and in a state of extreme bondage are not known to cure any medical conditions, but still the search continues, because it is so very popular with the researchers AND the subjects alike." 
Text source: Journal of Irresponsible Results, Issue 10 Volume 53, page 452. 
Image source: Kink.com video 13504 "2 girls, massive tits, bound, 1 suspended, 1 neck tied down & arched. Both made to brutally cum!" (Honestly, I don't make these titles up!) starring Dee Williams (suspended upside down) and Katie Kox (relaxing on the beam).