TikTokers are using soda can tabs to predict their romantic futures. People on TikTok love to use things like nail polish colors to signal their relationship status. Now, they're saying you can use the design of a soda can tab to determine if your crush will show you some love.
It indicates the ability to send an email. 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.