Originally Posted by wroomwroomoops

Not bad. I have the feeling that an even easier method might exist. Something along the lines of cutting off the bottom of a (plastic) used toothpaste tub, fill it with the goop and seal shut the bottom with a small gas torch. Then attach one of those little cones to the aperture of the tub, which are usually provided with pumps, for pumping soccer and basketballs.