If someone gives you a belt buckle, it's like a piece of jewelry. It has the same sort of emotional significance. It would be something you would intend to keep forever.
Quotes to Explore
New York cops are very specific in terms of the way they talk and the way they handle themselves. All these cliches that, as an Englishman, I thought were from a bygone era or were a bit of poetic license with cop shows - the more you hang out with them, the more you realize how real that jargon is.