Have you ever....?

So I've seen this idea twice recently, in other contexts... a tire with text or art carved into the treads. Here it is at the blog Letterology, in a detail from an illustration from 19c. Paris. The rider has a tank of ink attached to the back of his three-wheeled cycle, to continuously coat the tires and print words on the pavement as he rides... Ink would probably make this an illegal device in a lot of cities; but that post also links to a vimeo video, called "Tricycle Calligraphy," where Nicholas Hanna is doing a very similar thing in China, but with water as his "ink"--the lettering is only visible until it dries.

I also saw some pretty carved tires on Pinterest--by this artist, though I see from google image search that there are several folks carving used automobile tires:

So maybe you're getting the idea of my question. Has anyone ever carved images or words into wheelchair tires, so as to leave a legible or at least artistic trail when the tires are wet (with water, with ink, with paint, etc.)? I don't imagine it would be an everyday thing--wheelchair tires have to be working tires, and these don't look like they'd be very functional or durable in the longterm. But maybe for an occasion? A protest? A celebration? Might need to be a more concise message than an automobile tire's, given the smaller surface. (Note, however, that the two tires in the upper image above have different slogans, to make a longer overall text.) Certainly folks have worn shoes with custom treads for various purposes (here are some flipflops with custom soles, for leaving sand imprints); I'm wondering if anyone has made or used a custom-treaded wheelchair tire, similar to the ideas above.