The Snag Concept stretches the field both horizontally and vertically for defender(s) assigned to cover the flat/sideline. Typically, one defender is assigned to cover the flat and another is assigned the sideline, creating a situation in which two defenders must cover three receivers.
An inside receiver (Z) runs a corner route. The H-back runs a shoot or similar route toward the sideline. The X runs 5 yards to his spot and turns. Combined, these three routes stretch the defense horizontally and vertically.
vs Man Read High to Low
|Z||Inside Release Stack and Break to Corner at 10 yards|
|X||5 yards spot|
|H||Flat 2 yards; don't drift|
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