Read grain by grass color and adjust your flight
Grain changes how far a shot plays: into the grain plays longer, down grain plays shorter (around four yards). Read grain off how the grass is cut, which you can tell even on camera. Into the grain, fly it a touch quicker so it rises 'the tiniest bit'.
Channel: Dan Grieve
Watch official source at 22:45Why this context matters
Relevant on grainy turf, common in certain climates/continents.