There should be thru holes partway down each stake pocket. They're usually used to secure wood stakes in the pockets. You could install eyebolts in there to use as tie-down spots. The square hole up higher in the photo is for the tailgate chain eyebolt.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.