I'm pretty sure fellow member
norfie can answer any query about tyre protectors and how well they work. He was part of the development team that designed and field tested them at MGR. For example see this thread esp Post 4:
https://www.the75andztclub.co.uk/for...ad.php?t=99965
For what they cost (about a fiver originally) fitting tyre protectors is a no brainer IMO.
TC