It's all but guaranteed that the most hair-raising drives you'll have will be immediately after you fill the trunk with groceries, plants and anything else you don't want to topple. But with these $13 Stayhold trunk dividers, you can hand your keys to a Hollywood stuntman and not have to worry about the bread being crushed by a jug of milk.
The solid plastic shields grips your trunks carpeting to keep whatever it's butt-up against securely in place. It can handle cargo as heavy as a toolbox or a suitcase, and unless you're putting air between the tires and the road, everything will be exactly as you organised it when you get to your destination. Now if only they made a version for kids.