How to add Klaytn to MetaMask?

Could you please elaborate on the steps involved in adding Klaytn to MetaMask? As a cryptocurrency enthusiast, I'm keen on exploring different blockchains and integrating them into my wallet. Klaytn, being a popular blockchain platform, seems to be a promising addition. Could you guide me through the process of adding Klaytn's network configuration to MetaMask, including any necessary steps for obtaining a Klaytn wallet address and potentially setting up a custom RPC endpoint? I'd appreciate your expertise in this matter as I navigate the crypto landscape.