Tip for truckers, don't slow down to stop drafters, speed up. People draft to save fuel. The slower you go they more fuel they are saving, and the more attractive a draft target you will be.

Heck, some might consider your slowing down as an invitation to draft.

My hydroponics experiment

You ever notice how hard it is to lip read cartoon characters?
"Crazy is what the sane call Delta Flyer"