K frame lowering blocks

Raise the hood? Talk about old school lame fixes. That's like adding A/C by rolling down the windows.

Air hats? Chances are good you'd drop the top of the air hat so low it would impede airflow. That's counter-productive. Those air hats look like you-know-what, too. I'm not seeing a whole lot of modern technology at work in either of your suggestions.

Spacers are easy, fast, light, cheap, and all but invisible. Hammers are old, too, but they sure have stayed popular.