In the study by Walen et al., the subplatysmal skin flaps were completely raised before the operative time was recorded.
Let the wicked flatter themselves that all is but talk of any coming to judgment ; non aliud videre patres, aliudve nepotes aspicient; all is but terriculamenta nutricum, mere scare-babes.
The tramline is therefore much less obvious on the screen. Also, if the scratch is on the base (i.e., on the back of the film), then it will not be in sharp focus.
Chelsea, to give them their due, did start to cut out the defensive lapses as the game went on but they needed to because their opponents were throwing everything at them in those stages and, if anything, seemed encouraged by the message that Mourinho’s Rémy-Cahill switch sent out.