The. Roadster that stuck to the ground. It uses these fans that create a suction. Um, it was originally developed by a company called McMurray and it's the McMurray Sperling is the car. And it uses it for downforce. And uh if you watch that car, it's it's super fast. It's like literally the fastest car in the world. Um, but yeah, she's a fan to create a suction.