Curiosity doesn’t kill the fox. It empowers it!
Steps
1. click on add token at the bottom of the asset tab in your metamask extension
2. click on custom token
3. fill in the information required (token contract address)
TIP: you can get the token contract address by searching for your account address on etherscan.io, then select the token you want to display in metamask and copy the contract address from the Profile Summary