MGX Syn Trident Prostate Massagerby Aneros World renown Aneros prostate massagers are designed to stimulate the prostate, anus, and two external acupressure spots simultaneously. Aneros massagers are different from other prostate products in that they are designed to respond dynamically with your body, moving in and out of the rectum in response to voluntary and involuntary muscle contractions. Prostate massagers empty your prostate (male G spot) more fully duration ejaculation,