We're lucky at Ramen Shop to have such a close-working relationship with the owners of Umami Mart, Kayoko and Yoko, located in downtown Oakland. Not only do we get our beautiful glassware from them, but we are also consistently introduced to new products they offer. They really have their finger on the pulse of what's up and coming. I bought the yuzu soda while in their store and it reminded me of the chuhai I had while in Tokyo. We're big fans of the St. George California Shochu (and everything they distill, for that matter) so it was a no-brainer to make a Yuzu Highball.