It's called a "swing bar". It's easy to open from tho2e outside with some duct t...

		drspacemonkey on March 21, 2024 \| parent \| context \| favorite \| on: Hackers found a way to open any of 3M hotel keycar... It's called a "swing bar". It's easy to open from tho2e outside with some duct tape and a rubber band, unfortunately. Plenty of easy instructions on YouTube.