The material of this coin tray collides with the coin

 to make a crisp sound that enhances the player's pleasure!!! 
You definitely have one to increase the number of visitors.   
 

 Feature   

⇒ Easy to assemble
⇒ The tightness of two board is matched.
⇒ Sturdy metal material
⇒ This coin tray is made of stainless steel, it is easy to maintain.