You have chosen a peculiar option in the dispute between the two camps Trezor and Ledger by combining them in use. Well, to be honest, this is a laudable solution and seems to be a safer way, although it requires a little more work /actions than if you use a device from only one manufacturer. If one company is compromised, there is no way to get access to your wallet, and the probability of simultaneous compromise of two companies at once tends to zero.
If the hardware wallet is damaged (or one manufacturer is compromised), whether it uses in a multi-signature wallet or not, a preventive action that the user can take is to have a backup seed phrase to recover if this happens.
Taking this opportunity, I would like to ask about the results of your experiment on the use of both devices. If you had to choose between Nano X and Trezor T, which hardware wallet would you prefer and why?
Nano X (hardware wallet, cables, accessories and boxes) feels more premium than Trezor T. Even though the price is lower than Trezor T.
In addition, Ledger is sometimes quicker to add features such as Taproot address and Coin Control. Although, Trezor adds these features as well.
So far, I haven't had any issues using either of them (hopefully, it doesn't happen). If the question is which one to choose, I choose both.
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