One of the reasons we chose the front storage box for our Escape 19 was to help protect the front of the trailer from rocks that may be thrown up from the gravel roads. Have not yet driven/towed enough on gravel roads to know how effective it is, but we will eventually find out.
2013 19' \ 2013 15B, 2011 Toyota FJ Cruiser
"It is better to remain silent at the risk of being thought a fool, than to talk and remove all doubt of it." - 1907, Maurice Switzer