You didn't stay in place. The vibration from the imbalance was terrible. He eventually broke the "pipe" that allowed the air to escape. This could cause the tube to get stuck between the tires. The sustained vibration between the sidewalls of the tires has blown a hole in one tire and damaged the other to the point of being unsafe. They were brand new tires. It was a Ford F-450 pulling a loaded trailer for 9 horses. We were more than 500 miles from home and driving out of the way. A heavy-duty tow truck about an hour before dark and on weekends costs about $900. Yes, I should have caught it faster, but I didn't. Looking back, I will never use this type of solution again. Buy all-metal pipes that do not require additional fastening or stabilization. Rotating weight is a force multiplier