I tried out a new bit with JT recently, and it's very squeaky! He sometimes plays with the bit in his mouth when we are out on the trail (it's not just this bit, it's every bit, I think it's just something he does absent-mindedly) and with this one being so squeaky it was driving me crazy! Is there anything I can do to make it not be so squeaky? The BO suggested that maybe I could oil it with vegetable oil, would that work? I know I could just put the flash on his bridle but I'd like to get to the root of the problem.