Try this (if you're this flexible):
Start out missionary, you on bottom.
Then lift your knees towards your head.
Have him help you by putting his inner elbows at the back of your knees.
Increase until your calves are resting on his shoulders.
After some "motion"
once you put your legs down, that might do it.
There was a radio station here that had the "6 o'clock Queef". Women would call up and queef over the phone. You have to question how many were faking it but that's quality programming.
These same shock jocks were taken off the air for another yearly stunt called "Sex for Sam" where couples would get points for having sex in public places. Along with them was a judge to confirm the places and actual penetration. It was sponsored by Jim Cook from Sam Adams beer.
They were found out when a couple had sex inside St. Patrick's Cathedral.