Mister Vimes is lettin’ me run a”—Detritus concentrated—“pub-lic a-ware-ness campaign tellin’ people what happens to buggers who sells it to kids . . .” He waved a hand at a large and rather crudely done poster on the wall. It said: “SLAB: JUS’ SAY ‘AARRGHAARRGHPLEEASSENNONONOUGH.’”