clip request: Play with the navel gently, moving your finger around, twitching and clicking. After clicking, say navel (not deep) but just navel. For a few seconds (10) show the navel and say the navel. Then, pull the navel to make the stomach bounce. Then keep playing around with your finger and sometimes say navel. At the end, scoop out the sperm so that you can hear the suction sound and pull it several times.