Took my daughter (The Skating Gnu?) to the local ice rink for her weekend hockey practice.
Found this little gem posted proudly on the door. Not the outside door, the one at the ice itself.
Honestly, if you need a sign for something this intuitively obvious, you have absolutely no business being out in public unrestrained, unmedicated, unmuzzled or without proper adult supervision.
Which means you're most likely on state welfare and breeding out of control.
A little Social Darwinism here, please? Or at least some chlorine for the gene pool?