The main characteristic of S6 Muck-Up day, is that no-one touches anything.
Naturally each leaving Year at least contemplate attempting something altogether unique and special as their last parting farewell to Knox Academy, however there are some basic traditional practices which simply can't be dispensed with.
Superglue on bannisters
Syrup on doorhandles
Laxative in drinking water
Itching powder on toilet seats
Flower Bombs in corridors
... to name a few.
Consequently, all us hardened veterans of half a dozen leaving years treat survival on this day as a near-military operation. Plastic gloves are obtained as basic necessities, gas masks coveted, and if you're not lucky enough to swiftly make friends with someone living within sprinting distance of the school and don't fancy spending the day squirming in discomfort it's highly unadvisable to drink anything before lunchtime.
Unwary First Years are offered up as easy prey.