It's just a formalisation of the system already in place.
Stores that are only open for ten minutes every third Tuesday.
Lads who spend more time on the XBox in their rooms than being sat around the NAAFI doing nothing, waiting for direction.
Late starts on Mondays.
Early stacks on Fridays.
Wednesday sports afternoons.
The Boss is away on a course? No need to hang around playing minesweeper until 5 looking busy for that A- report.