You definitely can.

However, wearing any clothing associated with your team is a huge no.

Depending on your characteristics will depend on your risk of being punched or beaten up if found out. What I mean by this is a football hooligan is less likely to take umbrage if you’re a child, a pensioner, a woman or have a broken arm for example. You’re still at risk but they’d sooner punch a 25 year old guy than an elderly lady.

Finally, you don’t have to go crazy when the home team scores but you probably have to stand up and clap. Likewise you have to feign annoyance or indifference if the away team scores.

The key thing about sim binning is it SHOULD make it harder for a referee to fuck up.

This is because there’s a huge difference between a yellow card and a red card both in terms of what warrants one and also the consequences. The addition of a sim bin makes this difference smaller

They are the most dominant team in terms of field tilt and how deep the opponent sits back. Source

This means teams will be defending their own box for 80 minutes and will get tired. They are then more likely to switch off and make mistakes the longer the match goes and the more tired they become.

Another factor is that because they have a great record of scoring late on, the players will believe that they can score. The opposite is true that the opposition may believe they will concede late on because of Arsenal’s record. This was certainly the case with Manchester United under Fergie.