>>546
https://ja.aliexpress.com/item/Black-Penis-Cage-Electric-Shock-Host-and-Cable-electro-shock-sex-toys-electro-stimulation-sex-toys/32827684868.html
これと
https://ja.aliexpress.com/item/VATINE/32988915722.html
これ組み合わせてる。乳首でも100Hzぐらいが一番気持ちいい