they were the ones riding on rough ground.

I rarely have chainsuck, on my road bike I have a N-gear jump stop that keeps the chain on the inside chainring on the top.

when overshifting to the inside (I ride triples on my derailleur bikes )

K edge makes one that the bolt that holds a Braze on FD on holds it on as well.

N-Gear, Home of the Jump Stop ... Chain Catchers for Road, Cross, and MTB Bikes - K-EDGE