What is the most useful skill for ordinary people to fight? I know where to play, but I haven't practiced myself. I don't know how to push, kick.

Grab the opponent's right wrist with his left hand.

Step forward with your left foot and kick your right leg from behind your opponent to behind your knees (face).

Hook each other's necks with your right hand.

then

Knock down hard

There is also a kind of

Turn your back on each other, grab each other's hands and put them on your shoulders.

Half squat, let the other person's body lie on you, grab the other person's arm, roll forward like you, and then fall on your shoulder.

Hope to adopt, crab crab.

Hit the man in the crotch and temples and pinch his neck.

Hit a woman by the chest, grab her, pull out or hit her crotch, and pinch her neck.

Get as close to the genitals as possible and hit hard.

Ha ha laugh