Doesn't get you much It can do a lot in the right circumstances. E.g. if a USB thumb drive had a physical write-protect, it could be plugged into a potentially

Doesn't get you much It can do a lot in the right circumstances. E.g. if a USB thumb drive had a physical write-protect, it could be plugged into a potentially hostile computer without concern about losing the data on the drive. Years ago I saw a few USB thumb drives with that feature. But I don't know if they're out there any more. They're almost as scarce as hens' teeth.