If there’s anything our parents have learned, it’s that nothing’s right the first time. It’s why you have siblings. Now, you can boldly emblazon your refusal to submit to the first try with a lapel pin that proves that some things are worth a do-over. Imagine, if you will, those supple “⌘” and “z” keys directly affecting in this fleshy realm. Past loves? Bad haircuts? Sharting? Accidentally getting drunk at an ex’s wedding and drunkenly performing “You Give Love a Bad Name” to all of her closest friends and extended family? Take it all back with Command Z!