Collocations for bandwagon - noun

climb on, join, jump on
Competitors have jumped on the bandwagon and started building similar machines.

be rolling, gather momentum/pace, sweep along
The Scottish Nationalist bandwagon is gathering pace.

slow down

effect
There is now a bandwagon effect with more and more firms joining the scheme.

get/start a bandwagon rolling
They seem to have got an anti-government bandwagon rolling.