Not disturb signs

So the cleaning ladies in the hotel do not enter your room when you do not what them too

 

Furniture. A poster.

Wait, that's stop sign.

 

I'm assuming you mean the peace tags. All the info on them can be found in this thread, here.

 

I legit thought OP meant irl DND signs. :[

@OP: Basically, if you activate them, no one can land hits on you for a certain amount of time. However, if you hit someone, that shield dies off.

 

Rosie linked you to a link that, should you read it, will teach you everything you need to know but, basically, they make it so you can not be farmed while in use.

 

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