Aunt Jillian used to be a gymnast, so she's always willing to show off how flexible she is
imgur.com category @dirtnast403
When the girlfriend is out of the house I get a bit more 'flexible'. PM me ;)
imgur.com category @Thisguypucks
Kida showing off her balance and flexibility (rivawi) [Atlantis: The Lost Empire]
imgur.com category @Palpz
For female flexibility lovers. I know there are a few ones out there.
imgur.com category @itispedosthatareNSFW
Not as flexible as I used to be but with a deathgrip, I was able to kiss my balls.
imgur.com category @sixandahalfer