Straighten both feet forward.

The specific approach is:

Hold the woman's waist with both hands.

The specific approach is:

Put

(A 3D stereoscopic holographic image is presented above the lecture table: Yuanyanghe)

Have the woman lie on her side on the bed.

The man rides on the woman. Prostrates on the woman's stomach.

The man rides from the woman's back on the woman's lower foot

's raised foot with her hand.

The ninth method is called Jade Crossing.

Put it on the man's p.

(A 3D stereoscopic hologram is presented above the lecture table: Jade Cross)

Then do the mating exercise.

Then do the mating exercise.

The woman hugged the man's waist with both hands.

Raise your left knee. Spread your feet out.

Curl both feet forward.

The eighth method is called Yan Tongxin.

Have the woman lie on her back on the bed.

It is like a passionate swallow with a heart to heart.

The specific approach is:

The man. Kneeling on the bed between the thighs of the woman with his right knee.

The tenth method is called mandarin duck bination.

Just like the mandarin ducks in the wild, they copute at will.

Then do the mating exercise.

Curl your legs and feet up.

It is to adopt a retively strong movement and posture for intercourse.

(A 3D stereoscopic holographic image is presented above the lecture table: Yan Tongxin)

Have the woman lie on her back on the bed.

Hold the woman's neck with both hands.