Blue Balls

While out riding around, I noticed one of the worst cars to ever go on the road, the Cybertruck. Which I’m pretty sure these things have had more recalls than the Ford Pinto, and those were exploding. But it gets weirder. Something I’ve seen on some trucks are testicles hanging on the back of trucks, which then brings the question, why? And I also notice this on the Cybertruck, those same kind of truck nuts, and they are blue like the truck. This Cybertruck literally has blue balls.