dogbox or not?

We use a trailer that we made for the dogs. It has six compartments and a storage compartment for vests and stuff.
It can hold up to two dogs in one compartment depending on size. We have signs on each side of the trailer that say DO NOT TOUCH DOGS! Most of our dogs are well mannered but we have a couple
that are protective of their space, even with the sign and the dog barking people still try to stick there hands in and pet him! Sometimes its inevitable that's why someone always stays by the
Trailer when we've stopped somewhere