Newest version of MARC/MAFCA Judging Standards page 13-6 says "The latches were mounted so that the edge on the bracket kept them from falling inward." as Steve said.
I was just at car show with about 12 Model A's
it was about 50/50 on the the hood clamp facing with one car
having one face hood and other the fender on same side.
Thanks for reply's
looks like whatever you like