Originally Posted by svHyLyte
Having once had to lay against black (discarded) tire "fenders" on a commercial pier, I can attest that the (skid) marks they can/will leave on your hull can take hours/days to remove unless the tires are covered with some type of fabric or fleece.
No doubt, but my suggestion was for a cheap protection device, not to lay against. Your idea of covering the tire with fabric, etc. is a good one tho.