Re: Sloped Box Handle Cleats - see pics
Maybe it's his Beekeeper ID Number, like they have in FL?
I prefer picking up my supers by the handholds on the short sides. I have sometimes found doing so by the long sides is tippy.
It looks like you have made good cleats which make picking up boxes more secure for the person handling them. I have found great variation in how handholds are cut. I really like handholds that are scalloped so the top of the handhold goes up into the wood, not 90 degrees.
Cleats make it hard to stack equipment close together on a pallet or on a truck, though I know many find them no problem.
"It's not what you look at that matters, it's what you see." Henry David Thoreau, Mark B