Themanislyingonhisbathebed.

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

Holdthewoman''''swaistdownwithyourhands.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:thedthemousesharethesamepoint

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

Theotherhahewoman''''sass.

Itislikeadonkeyusingitslimbstosupportitsbodyforintercourse.

It''''slikeanapeleaningagainstatreetocopute.

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

Itistoimitatethedog''''swayofintercourse.

Thespecificapproachis:

Themanstandsbehindthewoman.

Themansitsonthebedwithhisfeetstraight.

Thespecificapproachis:

A3Dstereoscopiispresentedabovethelecturetable:SanqiuDog

ThethirtiethmethodiscalledSanqiuGou.

Thespecificapproachis:

Thespecificapproachis:

Thetwehmethodiscalledthesamepointofdmouse.

Supportonthebedwithbothhandsa.

leftandrightshoulders.

Therostratesontheman''''sbody.

Thetwenty-sevehodiscalledYinapehuggingatree.

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

Bothasstoass.

Themanandthewomanarebacktoback.

Thewomanissupportedonthebedwithbothhandsa.

Holdtheman''''sneckwithbothhands.

A3Dstereoscopiispresentedabovethelecturetable:SanDonkey

Thewomaheman''''sp.Fagtheman.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:Yinapehugsatree

Itistomakefulluseofthenarrowspaceforintercourse.

Themanisproppedonthebedwithonehand.

Holdthewoman''''swaistwithbothhands.

Straightenyourfeetforward.

Thetwenty-nihodiscalledSanDonkey.

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