Hyperbolic Upgrade Stickers (update)

Quick note to say that my stock of Hyperbolic Upgrade Stickers sold out extremely rapidly, but Sticker Mule is printing some more right away and they’ll go back on sale on Monday. (Greeting cards and other stickers are all still in stock.)

Oh, and if you would like to use Sticker Mule to print any stickers of your own, they have a new-customer referral program, so if you visit using this link you’ll get $10 off your first order!

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