Can there be anything worse than opening the case — to be greeted by an ugly, heart-stopping crack down the sound board of your instrument!? And the endless hours spent worrying and stressing about the lack of humidity in your practice room! Well, RDM banishes these fears! Simply add water—this is hungrily gobbled up by the foam core of this device—and guide the objet around into your sound hole, and viola! your worries are over!! Set an alert on your phone and you can now worry about important things like getting to the gig, learning your parts, and avoiding strain injury!