Exactly the same on our floor, using the coin trick because people from other floors come down to use ours purely for lengthy number 2s rather than literally 'shitting on their own doorstep' Very annoying. Along with the coin lock trick we also aggressively rattle the door handle to irritate...
In our office, a security tag, the sort seen on a bottle of supermarket spirits, can do the rounds, being hidden deep in someone's bag or coat pocket. Twice I've set off the alarm walking into Tesco when it's been slipped into a side pocket of my small backpack. It gets to the point where...