A snubber is a device used to stop or slow down something, like a rope or a moving part.
A snubber is something that makes things safer or more controlled.
Examples:
The snubber stopped the rope from moving.
We use a snubber to slow down the big wheel.
The snubber made the ride safer.
The snubber said, 'I'm tired of stopping things!'
The snubber can stop anything, even a train!
The snubber is the hero of the story.