Hood guard by EGR that screws into pre-existing holes on the underside of your hood. Worked very well for me. Especially as my truck seems to be a rock magnet.
https://egrusa.com/products/hood-guard/2255
I always wondered why the drive mod selection button never stays in the "slippery, tow, or eco mode. I purchased the My Mav Mode and It has worked like a charm. The person who sells these gives detailed instructions. It was relatively easy to install, just take your time, installs in less...