I drive a Toyota Prius in the northern Midwest and it's very easy to get stuck during our winters. Especially since the Prius is such a light car. PROSS Small, light weight, easy to store in your car. Provide enough traction to get you out of many slippery situations. Much easier and quicker than trying to rake yourself out. CONS It will not work in all situations. Otherwise, they don't have many disadvantages.