A Rhode Island business is helping police in a unique way. The proof is right on their left hand. Matt Doumato of Ephraim Doumato Jewelers purchased, sized and donated silicone rings to the Smithfield Police Department. "They’re in a dangerous profession," Doumato told NBC 10 News Friday. "If their finger gets caught in a window, on the dog's leash, you want to make sure they won't get hurt and have to be out of work.