If you’ve ever wondered how screw wall anchors actually work, this short video showcases the remarkable functionality of 12 different versions of the little devices. Screw wall anchors are must-haves when it comes to providing reliable support when anchorings anything heavy to your walls! See them in action below!
How screw anchors differ.
by u/fat_old_boy in interestingasfuck
[Via BoingBoing]