US Patent 10016305 Clip-on earmuff and kit

The present invention is an earmuff including first and second muff portions with a clip disposed between them. The clip is manipulatable into closed and open positions. When the clip is open, the upper sections of the first and second muff portions are separated. When the clip is closed, the upper sections are together. The earmuffs are designed to cover a human ear and are to be clipped to the headband of a cap by putting the earmuff into the open position, positioning the earmuff around the headband, and positioning the earmuff into the closed position.