Stress coverage assumes the offense isn’t going to run four verticals and if they do the QB is going to be forced to throw the most difficult outside throw (comeback or fade to #1). When basing from a two-high, split-field shell, Quarters can cut down the teaching of a new scheme by running your base against three WRs - Quarters. This MQ Mini-Clinic briefly details this useful coverage.
For more clinics like this visit MatchQuarters.com, it's YouTube page and CoachTube.