People respond in different ways to anal stimulation. A tried and tested system is an anal teaser, a taper of increasing sized spheres which stimulate your anal ring as well as your prostate. If you pull, or have pulled, out an embedded anal teaser at the point of orgasm, it can massively increase Read more… the intensity, and sometimes distance achieved, of your orgasm. Lots of lube though, you don't want to damage your sphincter. If you can combine this with edging, maybe with a controller, you may find this goes to whole new levels!