Copper
There are many different combinations of copper, depending on the brand. The oxidation process of the material spreads a pleasant smell and taste, which promotes relaxation, salivation and chewing.
![Copper - Mors and More](https://www.morsandmore.com/c/764-small_default/copper.jpg)
There are many different combinations of copper, depending on the brand. The oxidation process of the material spreads a pleasant smell and taste, which promotes relaxation, salivation and chewing.