Craft A Useful Pen Holder From Soda Can Tabs When strung together, soda can tabs make a surprisingly sturdy pen holder that's both useful and interesting to look at. Using a chainmail technique ...

The soda can tab is more than meets the eye. In its resting state, the tab is what engineers call a "second-class" lever: the force you apply only moves one way, like a wheelbarrow. When you ...