The use of silly putty as an ear plug.
Muntz
H R
HR
D002648:Child; D002675:Child, Preschool; D004430:Ear Protective Devices / Q000009:adverse effects; D005547:Foreign Bodies / Q000209:etiology; D006801:Humans; D008876:Middle Ear Ventilation; D010033:Otitis Media / Q000601:surgery