Themanisproppedonthebedwithonehand.

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

Thewomaheman''''sp.Fagtheman.

Themanislyingonhisbathebed.

Straightenyourfeetforward.

A3Dstereoscopiispresentedabovethelecturetable:SanDonkey

Themanstandsbehindthewoman.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:Yinapehugsatree

Supportonthebedwithbothhandsa.

Themanandthewomanarebacktoback.

Itislikeadonkeyusingitslimbstosupportitsbodyforintercourse.

Themansitsonthebedwithhisfeetstraight.

Thespecificapproachis:

Holdtheman''''sneckwithbothhands.

Itistoimitatethedog''''swayofintercourse.

It''''slikeanapeleaningagainstatreetocopute.

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

Holdthewoman''''swaistdownwithyourhands.

Itistomakefulluseofthenarrowspaceforintercourse.

Therostratesontheman''''sbody.

Thetwenty-sevehodiscalledYinapehuggingatree.

Thespecificapproachis:

Thespecificapproachis:

Thewomanissupportedonthebedwithbothhandsa.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:thedthemousesharethesamepoint

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

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

ThethirtiethmethodiscalledSanqiuGou.

A3Dstereoscopiispresentedabovethelecturetable:SanqiuDog

leftandrightshoulders.

Holdthewoman''''swaistwithbothhands.

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

Theotherhahewoman''''sass.

Bothasstoass.

Thespecificapproachis:

Thetwenty-nihodiscalledSanDonkey.

Thetwehmethodiscalledthesamepointofdmouse.