Plugging Any USB Device Into a Hardware Wallet?

I think we should be afraid of plugging any USB device into the seed signer. Or any hardware wallet. You know, like, MVK sells those 9-volt battery to USB power supplies so that you have like a guarantee as far as we trust MVK. Well, it's like a baseball. He makes it as a bare board, at least. So at least you can kind of see if something was tampered compared to like a battery pack. Like one of those USB battery packs you get off of Amazon or Best Buy or some shit where you have no idea what's inside the case. Yeah. But I really like the regulated protocol of doing the QRs back and