I have been reading that one person posted that "mechanical chocks are a lawsuit waiting to happen". May I ask why? I had the X chocks before and did not have a problem. I got Class C and could not...
I haven't had any problems since I switched to the rubber ones, which are probably the sames as as the Northern Tools ones I got. The wedge shape converts some of the force pushing the chock out into downward force which is why they work.