ThethirtiethmethodiscalledSanqiuGou.

Thespecificapproachis:

Theotherhahewoman''''sass.

Therostratesontheman''''sbody.

Itistoimitatethedog''''swayofintercourse.

leftandrightshoulders.

It''''slikeanapeleaningagainstatreetocopute.

Thespecificapproachis:

Themanisproppedonthebedwithonehand.

Thespecificapproachis:

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

Themanandthewomanarebacktoback.

Itistomakefulluseofthenarrowspaceforintercourse.

A3Dstereoscopiispresentedabovethelecturetable:SanDonkey

Straightenyourfeetforward.

Holdthewoman''''swaistwithbothhands.

Themanislyingonhisbathebed.

Thetwehmethodiscalledthesamepointofdmouse.

Thewomanissupportedonthebedwithbothhandsa.

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

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

Themanstandsbehindthewoman.

Holdthewoman''''swaistdownwithyourhands.

Thetwenty-sevehodiscalledYinapehuggingatree.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:Yinapehugsatree

Themansitsonthebedwithhisfeetstraight.

Itislikeadonkeyusingitslimbstosupportitsbodyforintercourse.

Thewomaheman''''sp.Fagtheman.

Holdtheman''''sneckwithbothhands.

A3Dstereoscopicholographicimageispresentedabovethelecturetable:thedthemousesharethesamepoint

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

Thetwenty-nihodiscalledSanDonkey.

Thespecificapproachis:

Bothasstoass.

Supportonthebedwithbothhandsa.

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

A3Dstereoscopiispresentedabovethelecturetable:SanqiuDog