great friend u got there paddy
hm, i also think that if someone asks u to show him and his family more tricks, tell him to come again and u would be happy to. that way, the manager might know that u make more people to come again to the restaurant to eat and have a good time, and u also make more people knowing YOU and knowing about the great restaurant that has great food and a great magician.
i think that the costumers would think about the magic they saw as they eat, which is great, coz then they also enjoy their food, that way they would most likely tell their friends about the great food and the great magic they have participated in..
thats just another something i thought of, tell me if i'm wrong him paddy, since i don't do restaurant work (yet