How do wrappers work?

I'm sorry, I don't quite understand. Could you clarify what you mean by "wrappers" in this context? Are you referring to a specific type of wrapper in the realm of cryptocurrency or finance, or is it a more general concept? If you're asking about wrappers in the blockchain or cryptocurrency space, they can refer to various things. For instance, a wrapper could be a smart contract that allows one type of token or asset to be used in a different network or platform. Or, it could refer to a software layer that enables integration between different blockchains or financial systems. However, without more specific details, it's difficult to give a precise description. Could you please elaborate on what kind of wrappers you're interested in, and what their purpose or function is in the context you're referencing? That way, I can provide a more accurate and informative answer.