I have a friend who owns a personal lubrication company that manufactures all kinds of gels and creams. He started over 30 years ago, Elbow Grease was his first product, the number 1 lube among the gay males in the U.S. He told me that back in the "pre HIV/ AIDS" days he would deliver an average of 2 of the 5 gallon buckets of lube to each bath house in New York.