You can use passphrases or custom derivation paths and many other tricks I guess. But it's not suited for even the average bitcoiners and doesn't remove the fact that you still increase the risk of le...
Awesome, I had exactly this thought yesterday as I pulled out my stack of usb sticks (to do a fresh linux install, goodbye windows :) ), and thought "huh, one of these could probably be turned into a cold wallet". Perfect timing!