There are many types of hand pour gourds. According to the appearance, hand -made pour can be divided into round -type hand -pour gourds and triangular hand pour gourds. You can also be divided into standard models and mini -type hand gourds according to different functions. According to the scope of applications, it can be divided into stainless steel hand gourd and explosion -proof hands. Therefore, you can choose according to the requirements and budget when choosing. The use of hand pour gourds is relatively simple, and the scope of applications is wide. You can drop the handle by pulling the handle or control device of the hand, so that the chain is tightened and connected to the hand pour stable. When pulling the handle, it should be stable to avoid excessive or sudden force. You need to continuously pull down the handle as needed, or keep the handle in a specific location to control the raising speed.