How to use "belt" in a sentence

Sentences

Valjean untied the rope around Javert's feet and, taking him by the belt of his coat, led him outside

"Is there a problem, officer?" And he looks at the gun on the cop's belt

Then they would carry him out to the garage, prop him up in his little Mercedes, put the seat belt snugly around him, and start the engine without opening the garage door

"Put on your seat belt," he said