1841 E. C. Bridgman 296/1 An ear-brush is made of duck's down tied together.
1874 E. H. Knight I. 769/1 Ear-brush, a toilet instrument for cleaning the ear.
1988 D. C. Schak iii. 50 Beggars made small feather ear brushes, which they peddled in teashops to wealthy customers.