3 ms·One of my pet peeves is people who rattle the toilet door before checking the engaged indicator.by laumars 9y agoOne of my pet peeves is people who rattle the toilet door before checking the engaged indicator.fosk 9y agoThat's intentional. By doing so you are interrupting the occupant's peaceful moment, make him anxious, and as a result he will get out faster.jdboyd 9y agoI thought it was so that the occupant had warning in case the lock wasn't properly engaged.wolco 9y agoOr slow the person down.