PS: Since I can’t post two videos in one post, the next post will have the practice part.
PPS: Yes, this person is muzzling himself. Yes, this person has his finger on the trigger and there is no click (empty gun). Yes, he is racking the slide before holstering. Yes, his pose at 1:34 would win him some style points in a gymnastics competition. About all of these aspects, see my follow-up post as well.
Source: USA Carry