Thetwenty-sevehodiscalledYinapehuggingatree.

Themansitsonthebedwithhisfeetstraight.

Themanislyingonhisbathebed.

Holdthewoman''''swaistwithbothhands.

Holdthewoman''''swaistdownwithyourhands.

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

A3Dstereoscopiispresentedabovethelecturetable:SanDonkey

Themanisproppedonthebedwithonehand.

Straightenyourfeetforward.

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

Thespecificapproachis:

Thetwenty-nihodiscalledSanDonkey.

leftandrightshoulders.

Thewomanissupportedonthebedwithbothhandsa.

It''''slikeanapeleaningagainstatreetocopute.

Thespecificapproachis:

Supportonthebedwithbothhandsa.

Themanandthewomanarebacktoback.

Itislikeadonkeyusingitslimbstosupportitsbodyforintercourse.

ThethirtiethmethodiscalledSanqiuGou.

Themanstandsbehindthewoman.

A3Dstereoscopiispresentedabovethelecturetable:SanqiuDog

Itistoimitatethedog''''swayofintercourse.

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

Therostratesontheman''''sbody.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:thedthemousesharethesamepoint

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

A3Dstereoscopicholographicimageispresentedabovethelecturetable:Yinapehugsatree

Thetwehmethodiscalledthesamepointofdmouse.

Theotherhahewoman''''sass.

Thespecificapproachis:

Holdtheman''''sneckwithbothhands.

Thespecificapproachis:

Thewomaheman''''sp.Fagtheman.

Itistomakefulluseofthenarrowspaceforintercourse.

Bothasstoass.

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