We had a ferret that continually chewed on the corners of the waterbed, causing numerous leaks. One day as I was changing the sheets (satin waterbed sheets), I heard an awful *crunch crunch*. Our waterbed monster was chewing the sheets! Once we changed back to cotton sheets, he stopped chewing the bed. So maybe a change in the type of sheets would stop some of your waterbed destroyers! Masked owner in CA [Posted in FML issue 3121]