Posted by SperMaster on October 10, 1998 at 01:54:19:
In Reply to: Warm water pumping posted by Ironlion on October 10, 1998 at 00:58:12:
I put warm water into the cylinder before my cock goes in, just enough to leave an air space at the top of the cylinder so the pump can create a vacuum. Takes a bit of practice to avoid spilling. Spills are not a problem if you are in a bath or hot tub.