1. Click on the profile and the top right of the Cling Wallet
2. Click Account Management - Import Account
3. Paste the Metamask private key into the Enter a private key string and click OK to link MetaMask to your Cling Wallet.

3-1. How to Check Your MetaMask Private key MetaMask top right … Click - Account Details - Show Private Key - Tap Reveal Private Key - Copy Private Key