Diamonds Sister Hook Heavy Belcher Chain Choker NecklaceFoundrae diamonds sister hook heavy belcher chain choker necklace in yellow gold. Crafted In 18K Yellow Gold, The Sister Hook Heavy Belcher Chain Features Our Sister Hook Closure And Measures 16" In Length. Worn Alone Or With Medallions And Pendants, This Necklace Represents The Bonds That Make Us Stronger. A Term First Used To Identify Button Hooks On Victorian Watch Fobs, Sister Hooks Describes A Pair Of Hooks That Have Been Fitted Together So That