They’re very portable, so you can carry them around with you in case you come up with an idea of something to write on your Tesla while you’re out and about. They stick to the surface quite well and don’t wash off in the rain.
(Please try not to succumb to the temptation to write “F**k off Nazi Scum” or similar on somebody else’s though like other people are suggesting. That might encourage people not to buy Teslas, which is a shame, because they’re great American cars.)
Honestly just a sheet of coarse grit sandpaper would do the trick. Would take all of about three seconds to scratch a big ol swastika on the back of a swasticar.
…it’s like the automotive version of carving a swastika onto the foreheads of the Nazis in Inglorious Basterds, lol.
I would advise against putting a swastika into the world. Nazis see swastika, nazi thinks friends are around.