Using a box cutter or utility knife, cut out a wide doorway in the long side of the bin (photo, top) or two smaller doorways in the shorter sides (photo, bottom). (neighborhoodcats.org)
It only weighs 24.5 lbs and is only 30 ″ wide so it is ideal to move through small doorways and narrow corridors. (omgstroller.com)
The exercise combines elements of a rite of passage with characteristics of an endurance contest, pitting attendees against overheated (or overcooled) auditoriums, crowded lobbies, middle - aged men who don't use Flomax, and small doorways unable to accommodate large crowds. (firstthings.com)