Oh, I just see that I forgot to explain something!
Then, on the lid part (over on the left side) it says: Zieh Leine
Then when you pull the string, the little lid opens and it says this:
On the lid it says "F*ck off"
The f*ck off part on the lid is also a wordplay. Literally, it says "pull [the] string", which is colloquial and means f*ck off, but of course in this case, it is (also) meant literally, for people to pull the string.