Jack chain

Jack chain, also known as "jack chain" or "jacket chain," is a type of decorative chain often used in various applications, particularly in jewelry and fashion. It typically consists of metal links that are connected in a specific way to create a flexible, chain-like structure. Jack chain can be utilized for a variety of purposes, including: 1. **Jewelry Making**: It can be used in the creation of necklaces, bracelets, and earrings.