Just have the 2nd device when you create any account. But have it away from the 1st device always. Just update 10s or 100s of accounts for every new device. Jus

Just have the 2nd device when you create any account. But have it away from the 1st device always. Just update 10s or 100s of accounts for every new device. Just never use sites which allows 1 Passkey.