I think I understand the confusion.
The MD permit makes no distinction between open carry and concealed carry. It is a "Permit to carry a handgun". I think you probably read that discussion, and people were saying they would not OC, since it would raise a fuss and they would likely lose their permits.
The MD permit makes no distinction between open carry and concealed carry. It is a "Permit to carry a handgun". I think you probably read that discussion, and people were saying they would not OC, since it would raise a fuss and they would likely lose their permits.