I've been watching DVDs of the '85 GP season recently, where catch fencing was still used at some circuits (i remember Paul Ricard was one). I've never marshalled with it, but just watching the races and some cars going in to it, it scared the hell outta me. I can see the theory might have been good, but in practice it had many drawbacks. It's interesting to see that some places are now removing some gravel traps and going to high-grip asphalt to try and avoid the rolling experienced in single seaters...
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