US Army Enlisted Specialist SPEC-4 E-4 OD and Black Rank sew on Patch Single

Patches are one of the ways to select someone from a group, as well as a badge of distinction. It is believed that the patches came into our life from the army with hook on technology. And there they appeared since memorial times. It is even said that the first police patches could be considered the tattoo that the Roman soldiers did on their hands. With the help of them, they could distinguish their warriors from enemy soldiers in battle with the military patches.