Years ago I definitely felt better/had a preference for lefts. When I first came to CSS I had a coach ask me if I prefer lefts, as he observed my body position look at home on the left but I was tight and twisted up going right. My left was the first knee I got down.
Today, after multiple level 4 days and working on it, I can’t say I have a preference. Currently, my right knee puck is probably twice as worn as my left (more the result of riding COTA 5-6 times a year - long sweeping rights, tight short lefts; and MSR Houston - clockwise track).
Proper body position, both lef