Calgary's bus traps of yore going away to become vintage memories...
https://calgary.ctvnews.ca/bye-bye-b...ices-1.6787805
So much joy and abuse with the Facebook and other threads of those who got caught dropping into bus traps, unable to open their doors, doing everything to avoid eye contact whilst wondering if any of the plethora of signs around could have given them the hint not to attempt passage.
Gear grinder... probably not... unless you got "wrongfully" entrapped perhaps.