the man dosent lie betwen the womans legs, but at a right angle (approaching from the side: if viwed from above they would look like a letter t almost)
The man holds back the cl~~~erol hood any moves the tongue up and down in a regular rythm below the cl## As he is sideways, this is like "side to side " movement rather than the more normal up and down or round and round. keep up this rythm underneath the cli# and only touch the cl## when about to reach a cresendo. Hold back the hood throughout