Elektro-Schwanz-Schätzung - Sperma fließt, wenn die Prostata die meisten Elektronen bekommt

Most of video: tri-phase -- CH A+ is head and A- is base / CH B+ is anal probe and B- is base. Last part of video: CH A+ is glans loop and A- is anal / CH B+ is frenulum and B- is anal (prostate)