1）Application of different types of shackles in fishery

Shackles are divided into many types, and the classification standards are different according to different classification standards. Different types of shackles are used in different industries in different ways. First of all, round head shackle; as the name suggests, round head shackle means that the top of the head of the shackle is a round pin handle. The advantage of this type of shackle is that the shackle can be carried out without the use of equipment or mechanical hands. Fasten or disassemble. Therefore, this type of shackle is widely used in fisheries. The pin handle ring limit of the round shackle can penetrate the safety lead wire and bind the body of the shackle. When shackles are used, they are generally coated with butter to prevent rust or corrosion.