Curbing
verb
To check, restrain or control.
“"Curb your dog."”
To rein in.
To furnish with a curb, as a well; to restrain by a curb, as a bank of earth.
Synonyms: bow, flex, incurvate, behedge, curtail, limit, bend, fawn
noun
A row of curbstones; the material used to construct such a curb
The damage caused to a wheel or tire by curbing (running the wheel or tire into or over a curb).