::
That’s an interesting idea!
You could just recover your seed phrase and add an passphrase on top of it. Since that creates a whole new set of accounts you would have to move your stack on chain.
With the Model T you can swipe the type screens and use small fonts, caps and specials signs.
Yes, since the passphare is not stored on the device it would protect you from a 5 dollar wrench attach or physical hack of the device.