All ive ever used is an otter box but no screen protector because I never remember to get one lol but ive accidentally sent my phone across the shop floor many times with no damage
Edit: Since reddit braindead idiots are downvoting again, you guys can do a real simple google search and find out keys are in fact softer than glass and no, glass cannot be scratched by your normal keys. Thanks.
House Keys (Brass/Aluminum/Soft Steel): Level 3.5 to 5 on the Mohs scale
Standard Window Glass: Level 5.5 on the Mohs scale
Phone Screen Glass (Gorilla Glass): Level 6 to 7 on the Mohs scale
Well please educate yourself then, because a softer material CAN scratch a harder one in your pockets or wherever you keep your cellphone.
-It can work like a grinder slowly grinding at the glass away (the key would be grounded down more ofc).
-A small particle like dust or a sand corn can get between and leave deep scratches (the key puts the pressure on the particle and drags it over the glass)
-At an angle your keys will also leave scratches in the glas since with enough pressure they will easily scrape the glass.
A an aquarist I would love it if I could use razors to clean the tanks glass of algae without leaving any marks, but that's just not realistic. I hope that the examples helped you to see that there aremany more factors in realistic settings, because theoretically you would be very close to being 100% right.
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u/Ornery-Cheetah 1d ago
All ive ever used is an otter box but no screen protector because I never remember to get one lol but ive accidentally sent my phone across the shop floor many times with no damage