Tsubame city is famous for high quality metalworking industry around the world. Engraved with " Made in Tsumabe", it certifies Tsubame city is famous for high quality metalworking industry around the world. Engraved with " Made in Tsumabe", it certifies the quality of Tsumabe. Chopped-cone shape dripper with a flat-bottom and three triangulated holes in its base. A contact area of the dripper with the filter is small, it encourages a smooth extraction. Wave dripper helps anyone can easily make a tasty coffee without a skillful pouring technique.