If you want to put an end to the problems involved in entering and exiting your RV, then you should go for this product.  You can adjust it to fit the doorway of the RV and also reduce associated stress.  There will be no more bouncing or instability when you want to enter or exit the RV once you install this product. It can also be folded easily so that it will not cause an obstruction at the doorway when you want to close the door of the RV.