Nephrite Worry Beads

Designed to be handheld and a carry item not worn. . 

Unlike the Greek Komboloi, these Worry Beads are Ottoman Inspired in the sense that they are fixed with no excess string like the Tesbih, Misbaha & Mala

Nephrite / Jade:

Also known as Nephrite, this type of Jade in ancient times it was believed to have medicinal powers that would help with issues surrounding kidneys hence the name deriving from the Greek word for kidney.