Anchor chains play a crucial role in securing vessels to the seabed, providing stability and safety in various maritime conditions. An essential component of these anchor systems is the shackle, which connects the anchor chain to the anchor itself and other parts of the rigging. Understanding the different types of shackles used in anchor chains is vital for maritime professionals, boat owners, and anyone involved in marine operations. This article will explore the various shackles employed in anchor chain systems, their characteristics, advantages, and specific applications.