trailer
trailer - noun
someone who takes more time than necessary; someone who lags behind
an advertisement consisting of short scenes from a motion picture that will appear in the near future
a large transport conveyance designed to be pulled by a truck or tractor
a wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy
trailer - thesaurus
dawdler
drone
laggard
lagger
poke
preview
prevue