Both thumbs and both index fingers. Should probably add hubby's thumb in case of an emergency but he does know my passcode. Maybe I'll add a pinky instead for good measure!
Put me in the both thumbs and index fingers camp too. Real convenient. I've also changed my unlock code to a 15 character code. No sense in using a short code now since TouchID works fine.
Left thumb for when I'm holding it, and right thumb and index finger so I can unlock it when it's in the holster in the car and still have a hand on the wheel
Both thumbs and both index fingers. The thumbs each registered as their own finger, while both index fingers only took a single slot, because I'm a hoarder In case you're wondering how that's done, when you scan your finger just alternate your left and right hand. It's easier to unlock using the index finger when the phone is laying on the table.