What is brayer in art?

A brayer is a roller with which one spreads ("brays") ink during the printmaking process. It somewhat resembles a paint roller, but is smaller in diameter, shorter in length and hasn't got any of that 'fluffy' stuff that wicks up paint. Brayers are used in relief printing. A brayer is a roller with which one spreads ("brays") ink during the printmaking process. It somewhat resembles a paint roller, but is smaller in diameter, shorter in length and hasn't got any of that 'fluffy' stuff that wicks up paint. Brayers are used in relief printing.