This is used to scoop drinking water, and is a very useful item for traveling. This is one hemisphere of rounded Pyoju gourd. Normal size scoop is too big, easy to break and ungainly to look at when carrying it around, so most of them were specially made in small sizes so they could be carried at one's waist. They are made from the inside of ash trees and zelkova, and because of its rough texture that gives a unique look, it is widely used by scholars.