I learned (re-learned) this lesson doing yardwork.. had a bush/shrub thing to remove in my front yard. Wrapped one of my old tow straps (with loop ends because I'm no dummy) and thinking it's just a little bush I hooked the strap to my suburban on the tow hitch (like a dummy) I didn't grab the ball, I went past it and got it so it would pull right where the rise/drop is welded to the square tube.. I gave it a few tugs with the burb and it started to budge I thought, so I went with a little more force to finish it off and I ended up throwing the hitch at my house.. it failed at the welds for the rise/drop to the main square tube... never again will I make that mistake.. it could have ended much worse...