The Thai model has awesome soles!
I learned that technique from a model in 1995 when I worked with commercial and fashion models.
I've had models do that for my tickle videos. Here are two examples.
<embed id='seyretp' name='seyretp' src='http://www.veryticklishgirls.com/components/com_seyret/localplayer/player.swf' flashvars='width=800&height=500&enablejs=true&file=http://www.veryticklishgirls.com/seyretfiles/cache/pro/localfile/54a3d746b8d690b5ff2697021f9c829e.xml?random=ektwp&image=http://www.veryticklishgirls.com/seyretfiles/localvideos/itt5/_thumbs/ITT5-Angel-Stocks-TK-HD-800.jpg&autostart=false&logo=http://www.veryticklishgirls.com/components/com_seyret/localplayer/logo.png&skin=http://www.veryticklishgirls.com/components/com_seyret/localplayer/skins/seyret_default1.swf&repeat=false&fullscreen=true' width=800 height=500 allowfullscreen='true' allowscriptaccess='always' wmode='transparent' type='application/x-shockwave-flash' /></embed>
<embed id='seyretp' name='seyretp' src='http://www.veryticklishgirls.com/components/com_seyret/localplayer/player.swf' flashvars='width=800&height=500&enablejs=true&file=http://www.veryticklishgirls.com/seyretfiles/cache/pro/localfile/134b3aabe3449955559b5128c8bfa04a.xml?random=hopmw&image=http://www.veryticklishgirls.com/seyretfiles/localvideos/ticke_therapist__cynthia_jones/_thumbs/TTherap-AngBlk-Sc3-Conf-TK-HD-800.jpg&autostart=false&logo=http://www.veryticklishgirls.com/components/com_seyret/localplayer/logo.png&skin=http://www.veryticklishgirls.com/components/com_seyret/localplayer/skins/seyret_default1.swf&repeat=false&fullscreen=true' width=800 height=500 allowfullscreen='true' allowscriptaccess='always' wmode='transparent' type='application/x-shockwave-flash' /></embed>