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

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)

Hold the woman's neck with both hands.

The specific approach is:

Put it on the man's p.

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

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

Curl both feet forward.

Then do the mating exercise.

The eighth method is called Yan Tongxin.

The specific approach is:

's raised foot with her hand.

Put

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

Have the woman lie on her side on the bed.

Curl your legs and feet up.

The ninth method is called Jade Crossing.

Hold the woman's waist with both hands.

Straighten both feet forward.

The specific approach is:

The tenth method is called mandarin duck bination.

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

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

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

Have the woman lie on her back on the bed.

Then do the mating exercise.

Raise your left knee. Spread your feet out.

Then do the mating exercise.

Have the woman lie on her back on the bed.