gimmick

A trick or device used to attain some end.

The box had a gimmick to make the coin appear to vanish.

Epperlein and Tucker focus on two featherweight hopefuls: Dustin Poirier, a formidable contender who’s looking to parlay a history of schoolyard violence and street-fighting into a potential career, and Albert Stainback, a more thoughtful yet more erratic and undisciplined fighter whose chief gimmick is entering the ring wearing a hat like the one Malcolm McDowell wore in A Clockwork Orange.

A ploy or strategy used to attract attention or gain traction.

The contest was a gimmick to get people to sign up for their mailing list.

A gimmick capacitor.

A night out with one's friends.

To rig or set up with a trick or device.

The magician's box was gimmicked with a wire that made it appear to open on its own.