Also, tow balls aren't common because the bumper of a car or truck can't handle a lot of weight, so receiver hitches are more popular. And you're not supposed t

Also, tow balls aren't common because the bumper of a car or truck can't handle a lot of weight, so receiver hitches are more popular. And you're not supposed to leave the hitch in the receiver after you use it (unless you want it to never come out again due to rust).