"Try Your Luck" is the message that casinos and such always seem to be emitting. But in effect this is a negative mindset: If you trust your luck instead of trying it, you are signaling to the Universe: "Hey, I know you have my back, so I do not need to worry!"
In this a guy restores an ancient slot machine, just for the fun of being creative. Could be it is his profession, or just his hobby, or he could make a decent living off the money that YouTube sends his way, or what these types of devices fetch when skillfully restored. Either way, there is a lot of love going into this machine.