They don't get used; paper towels are closer and faster, and many children are afraid of the noise after all. But these particular machines are motion-sensor instead of push-button, so when someone moves too close it may turn on, and according to my friend even the sight of one is enough to scare her daughter. She says the cover should solve it, though--when they go to the doctor's office, her daughter is similarly afraid of the otoscope, but they hang a napkin over the apparatus and all is well. The thing I made is like a giant pair of underwear, but without leg holes.
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