What is happening during the break-in period?
Are grooves forming (like Homer's ass groove https://www.youtube.com/watch?v=iSVMW3jZcg4)
Are the washers being ground slightly thinner?
Are grooves forming (like Homer's ass groove https://www.youtube.com/watch?v=iSVMW3jZcg4)
Are the washers being ground slightly thinner?