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If you want to add a little more protection to your private browsing sessions, type
"chrome://flags/#incognito-reauthentication-for-android"
into the address bar and hit enter
After enabling the flag and restarting Chrome, you should see an option to "Lock Incognito tabs when you leave Chrome." If you leave your Incognito session and come back, an "unlock Incognito" screen will appear instead of your tabs, and you'll be asked for a fingerprint scan
