Thespecificapproachis:

Themanandthewomanarebacktoback.

Thewomanissupportedonthebedwithbothhandsa.

It''''slikeanapeleaningagainstatreetocopute.

Holdthewoman''''swaistwithbothhands.

leftandrightshoulders.

Theman''''sfiligreegoesdeepintothewoman''''sgoldenditch.

Thespecificapproachis:

Thetwehmethodiscalledthesamepointofdmouse.

Therostratesontheman''''sbody.

Itislikeadonkeyusingitslimbstosupportitsbodyforintercourse.

Themanstandsbehindthewoman.

A3Dstereoscopiispresentedabovethelecturetable:SanqiuDog

Bothasstoass.

Theman''''sfiligreegoesdeepintothewoman''''sgoldenditch.

Itistoimitatethedog''''swayofintercourse.

Themansitsonthebedwithhisfeetstraight.

Theman''''sfiligreegoesdeepintothewoman''''sgoldenditch.

Supportonthebedwithbothhandsa.

Theotherhahewoman''''sass.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:thedthemousesharethesamepoint

Themanisproppedonthebedwithonehand.

Thespecificapproachis:

A3Dstereoscopicholographicimageispresentedabovethelecturetable:Yinapehugsatree

Theman''''sfiligreegoesdeepintothewoman''''sgoldenditch.

Holdthewoman''''swaistdownwithyourhands.

Straightenyourfeetforward.

ThethirtiethmethodiscalledSanqiuGou.

Itistomakefulluseofthenarrowspaceforintercourse.

Thetwenty-sevehodiscalledYinapehuggingatree.

A3Dstereoscopiispresentedabovethelecturetable:SanDonkey

Thespecificapproachis:

Holdtheman''''sneckwithbothhands.

Thewomaheman''''sp.Fagtheman.

Theman''''sfiligreegoesdeepintothewoman''''sgoldenditch.

Thetwenty-nihodiscalledSanDonkey.

Themanislyingonhisbathebed.