Here, too, Ms. MacKinnon serves the script well, making sure that the first act is played with so light a touch that you won't see the train of rage roaring down the track until it's far too late to get out of the way.
Wallpaper. (The Beat Generation had dawned in the U.S., and funky wall coverings of bamboo and such were the rage.) When that didn't fly, they hawked it as greenhouse insulation.