gimmick

definition: any clever maneuver

example:

speech part: noun

synonyms: device

definition: something unspecified whose name is either forgotten or not known

example:

speech part: noun

synonyms: gizmo gismo widget doodad doohickey doojigger gubbins thingamabob thingumabob thingmabob thingamajig thingumajig thingmajig thingummy whatchamacallit whatchamacallum whatsis

definition: a drawback or difficulty that is not readily evident

example:

speech part: noun

synonyms: catch