There are many types of gourds in hand, and handle gourds are divided into round hand pour gourds, triangular hand stub gourds. There are also mini -handle pour gourds from the volume distinction. The weight is much smaller than the conventional hand -stretched gourd, and the self -weight is also very easy to carry. After the hand pour gourd is used, it should be maintained in a dry and ventilated environment. In summer, thunderstorms, avoid outdoor construction, rainwater is corrosive, and it will damage the hand of the hand. Use lubricating oil; if the rust is very serious, you can choose to be scrapped.