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

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

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

Straighten both feet forward.

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

Hold the woman's neck with both hands.

Have the woman lie on her back on the bed.

Raise your left knee. Spread your feet out.

Have the woman lie on her back on the bed.

Curl both feet forward.

The specific approach is:

The tenth method is called mandarin duck bination.

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

The specific approach is:

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

Then do the mating exercise.

Put

The specific approach is:

Have the woman lie on her side on the bed.

's raised foot with her hand.

Hold the woman's waist with both hands.

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

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

Then do the mating exercise.

The eighth method is called Yan Tongxin.

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

Put it on the man's p.

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

The ninth method is called Jade Crossing.

Then do the mating exercise.

Curl your legs and feet up.