Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
tilt your head slightly in the direction of rotation.
Grab it really tight and twist it back?
Tried, doesn't move... Weirdest thing
In that case, tie it off and turn the truck in a circle opposite direction of rotation. The knob is straight, your truck isn't.