The bamboo pieces drawn in the sign tube are just numbers, so you have to exchange them for signatures at the designated place.
However, this is superstition, not real Buddhism. It's just that many people are doing some heretical things in the name of Buddhism, which makes people mistakenly think that Buddhism is fortune-telling and a great god.
It is suggested that the landlord has different opinions, the evil ones will do, and the good ones will do, Amitabha.