After selecting the SPOOL Token, enter the amount you would like to bridge and ensure that the location you are bridging to is set correctly.
When a user wants to bridge his SPOOL Tokens "to" Arbitrum, select "From Mainnet"
When a user wants to bridge his SPOOL tokens "to" Ethereum, select "From Arbitrum One"
Arbitrum Bridge UI
After completing the inputs of both the token address as well as the amount: Follow the UI and sign the transactions prompted by the wallet of choice. Make sure that all transactions you are signing originate from the Official Arbitrum Bridge UI.