When pouring carbonated drinks from a 200ml bottle or making Sanrei Hoppy, this refers to the pouring method of rotating the bottle 180 degrees and pouring the carbon dioxide vertically. Also, the pouring method of pouring the drink in one go, without twisting the bottle, is called "Sumida style"or"BussashiAt first glance, it may seem like it will spill, but if it's properly chilled, it won't spill, and the carbonation won't escape. Even if it does spill, it's called "carbonated water flowing" and is considered auspicious, so don't hesitate to pour it.
180 degree inverted pour
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