I PURCHASED A UTILITY TRAILER MADE BY JA-MAR MANUFACTURING. CO. PULLING IT EMPTY LAT MONTH THE TRAILER SOMEHOW CAME OFF OF THE RECEIVER WHILE I WAS TRAVELING ON THE INTERSTATE. IN THE EVENT OF THAT HAPPENING THE SAFETY CHAINS ARE SUPPOSED TO KEEP IT ATTACHED TO THE VEHICLE UNTIL YOU CAN MAKE A SAFE STOP, BUT IN MY CASE THE CHAINS SNAPPED OFF AND THE TRAILER FREE WHEELED DOWN THE HIGHWAY. *AK