teaser

Someone given to teasing (as by mocking or stirring curiosity).

A flat at each side of the stage to prevent the audience from seeing into the wings.

A particularly baffling problem that is said to have a correct solution.

A device for teasing wool.

“a teaser is used to disentangle the fibers”

An advertisement that offers something free in order to arouse customers' interest.

An attention-getting opening presented at the start of a television show.

A worker who teases wool.