[Mr. Mojo]

Individual players are prohibited from using foreign objects or the football while celebrating.

What, no cell phones hidden in goalposts?

They are also prohibited from engaging in any celebrations while on the ground.

Sitting celebrations bad, standing celebrations acceptable. Okaaaay.

[Mr_Moonlight]

They are also prohibited from engaging in any celebrations while on the ground.

There goes dancing "The Worm" :(