http://sarahbethyoga.tumblr.com/post/51307572305/toe-hug-my-feet-always-feel-so-good-after-this I've been dabbling with yoga and came across this.
There are YouTube videos of people who can intertwine like that, hands free. Amazing flexibility and dexterity.
Okay, you got me curious, since I don't exactly find it easy to maneuver my toes into this position, even using my hands. Apparently, the trick is to start with the little ones first!