It is said that tin instrument was introduced to Japan some 1300 years ago and was once considered to be as valuable as gold and silver. Tin ware has been used as liquor sets in shrines for centuries in important rituals and only used by a privileged class such as the imperial court. Tin is known to eliminate unpleasant taste and mellow the taste of the liquor. It is also known to be thermal conductive, antibacterial and strong to rust and corrosion.
Osaka is one of the famous production area of tin ware handcraft which bears warmth even though they are made out of metal. The craftsman with expertise hammers the tin to make depth in the other than flat surface of the metal. The finish is finely polished and when holding it you can feel the weight or solidity of them.