ISC Racing in Winter Haven, FL has a short (approx.6"), heavy duty nylon strap with a 2" I.D. ring on one end and a metal seat belt tie down on the other end to bolt or weld to the frame. You can use a tie wrap to keep it from swinging or dangling. I heard that some tracks are measuring the diameter to comply with the 2" I.D. and I was told that the 1.5" x 3" links that I've had sticking out of my front bumper and dangling from my rear frame for years do not meet the 2" I.D. requirement. Intent and the 3" direction weren't enough. I'm getting two of ISC's set up. (863)324-4539.