Necklace Series Introduction：
A necklace is an article of jewellery which is worn around the neck. Necklaces are frequently formed from a metal jewellery chain. Others are woven or manufactured from cloth using string or twine.
Common features of necklaces include features such as colorful stones (particularly gemstones / jewels), wood (usually carved or polished), art glass, feathers, shells, beads or corals - a wide, wide variety of other adornments have also been used. If a necklace includes a primary hanging feature, it is called a pendant or amulet, if the hanging feature is itself a small container, that is called a locket.