Kazunori Shizuya owner and bartender of the bars ``Shinjuku Whiskey Salon'' and ``Bar Rivet'' in Shinjuku, Tokyo, has earned the ``Master of Whiskey'' certification, the most difficult qualification recognized by the Whiskey Culture Research Institute, for 100 years. Returning to the roots of Japanese whiskey, which has a history of "The best tumbler" developed with great care.

*Since it is handmade, there are individual differences in capacity, size, and weight. Please note.

* Small bubbles and fine scar-looking dimples can be found; please note that they are not defects.