After a month of summertime hockey, we’ve learned what NHL playoffs look like when you play them in a pandemic: on the ice, they more or less resemble the game as it’s usually played, back in the pre-COVID past, with all the ensuing clustering, close-fought commotion, and bodily byproducts that players shed, the sweat, spit, blood, and teeth. If all goes according to script in a year in which so much hasn’t, in another month from now the Stanley Cup will be in the hands of hockey’s latest champions, riding high, and full of champagne. In today’s print edition of The New York Times — and online, here — I survey hockey’s daily tutorial — its crash course? — on how not to social distance.