What a Differential is and How it Works [Video]

An incredibly well-done instructional video produced for Chevrolet by Jam Handy in 1937.

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Andrew Snavely

Andrew is the founder and editor of Primer. He's a graduate of American University and currently lives in Los Angeles. Read more about Primer on our About page. On Instagram: @andrewsnavely and @primermagazine.

How To Win At Life — Or At Least At The Office Gift Exchange: 30 Under $30

White Elephant, Yankee Swap, Thieving Elves, Dirty Santa...whatever your workplace calls it, here’s how to crush it.

The 9 Best Waxed Canvas Jackets: History, Style, and Affordable Picks

Waxed cotton canvas creates a water-resistant and lightweight layer with a history dating back to the 1500s. Today, waxed jackets add a functional and rugged style to your ... [more]

Gift Ideas for Guys: Over 150 Gift Ideas You Can Actually Ask For

Primer's annual gift guide for men full of affordable and useful ideas to put on your list for significant others, family, and office parties.

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Learn from our mistakes: Dress your best by ridding your style of these 10 common errors.

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The last hurrah of the Black Friday sales weekend.

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Black Friday is here. And we've put in some serious time distilling what's worth shopping and what's worth skipping.

We Compiled The Deals for the Last 4 Black Fridays So You Know What Sales to Expect This Year

In just seven days, the biggest shopping day of the holiday season--make that the year--will be upon us. This guide will help you shop smart and not spend wastefully.