In case you didn’t know, GACKT is now a YouTuber. His channel features content such as online drinking parties and his workouts. He recently released a new video which involves training another part of the body, the fingers. This “finger workout” in reality is a tutorial on how to finger a woman.

The “finger workout” was certified by Kato Taka, the retired male porn star. It has the format of a rhythm game and features a rubber mold that mimics a vagina. Several different “finger workouts” are showcased in the video, which can be seen below!