What freebies can I actually give the customers of my offline casino shop to entertain them ?

[swift]

I believe that when you are constantly entertaining the casino users in your store , the urge for them to actually visit your store would be more , like they would visit further to actually get entertained and this is actually for your own great benefits too

so What do you think are those freebies can I actually give the customers of my offline casino shop to entertain them ? I would love to know