It doesn't happen very often but I'd be negligent in my duties as a Fremantle supporter if I didn't point this out.
Hordes of Eagles supporters will be attending the football at Subiaco Oval less than 24 hours after Fremantle supporters have cheered their team into the Grand Final.
24 hours isn't much time to be completely thorough in your cleaning.
If someone hypothetically printed out some hypothetical logos onto a hypothetical sheet of sticker or magnetic paper and hypothetically left them around the place then it would probably be very hard to remove them before an Eagle support saw one, forcing their monocle to pop off and land in their glass of Chardonnay.
It could hypothetically be something like this
s21.postimg.org/xnpw1zgh3/eaglessucksheet.jpg
or this
s2.postimg.org/pffzjtyx5/eaglesqrsheet.jpg
or even something like this for the particularly ambitious.
postimg.org/gallery/gegkj3fy/