We all know that being disruptive or violent on a plane is immediate grounds for being thrown off a flight or worse, banned from the airline.

Here’s what else can get you booted: wearing clothing deemed inappropriate. This is highly subjective, and different gate agents or flight crews interpret “inappropriate” differently. Use common sense: no T-shirts with profane messages, no bathing suits, and keep in mind that some airlines refuse service to anyone wearing shorts.

You can also get thrown off for using your phone to film airline staff without their consent, being barefoot, or having offensive body odor.

And as for the latest rule: you’ll be deplaned if you try to travel with a humanoid robot.