Blown out wheels!

I’ve seen some posts on here with people getting holes on their wheels due to rocks getting stuck between the wheels and the calipers. This happened to me this past weekend. ALL 4 WHEELS AT THE SAME TIME! The planets must have been aligned or something. I have decided to go with 14" wheels instead of the 12" to hopefully help the problem. Does anyone make any type of guard or something to help prevent this problem?