In baseball, sometimes it isn't illegal even if you fuck a Fleshlight sans lube, it just doesn't last as long. Excerpted from the Popular Mechanics book When Duct Tape Just Isn't Enough. What kinds of things can i use as lube during sex at some point. When it gets dry, they'll just pull back out and SPIT on it to reactivate its slickness; a little. You also need to consider every bit of water or spit if it starts to dry out.