If you’ve been to the Arrant Pedantry Store recently (and if you haven’t, then why not?), then you may have noticed a change that looks small but is actually pretty big: the ability to edit products. Now, instead of only being able to select from the products I’ve already created, you can make your own. Want to put Battlestar Grammatica on a hoodie, or Editing Is Awesome on a mug, or Grammar Is for Lovers on a thong?

It’s pretty easy. All you have to do is click on an existing product, then click “Do you want to edit the design?” at the bottom of the product picture. You’ll be taken to a screen where you can select the product, select and position the design, and choose the quantity and size. You can even change the color of the design itself, so you could get Stet Wars in red on a blue shirt or I Could Care Fewer in hot pink on a gray shirt or Eschew Obfuscation in black on a black shirt (though I don’t recommend the last one, unless you want to be extra funny).

When you’re done, you’ll go through the regular checkout process, and Spreadshirt will print your product and mail it out just like normal.

And if you order between February 3rd and 5th, you can use the coupon code GET20 to get 20 percent off when you order two or more products. And while you’re there, check out some of the new designs: