worry beads 
plural noun
A string of beads that one fingers and moves in order to calm oneself.His fingers threaded a string of ornate black worry beads, common in the Arab world....
- Combs, razor blades, mirrors, knives, belts, worry beads: everything was taken from the prisoners but the clothes they stood up in.
- Children, mainly boys, sit on their fathers' laps; men smoke an Arab water pipe, finger worry beads and chat with one another.
- requirer
- requisite
- requisitely
- requisiteness
- requisite variety
- requisition
- requisitionary
- requisitioner
- requisitionist
- requisition on title
- requisitive
- requisitor
- requisitorial
- requisitory
- re-quit
- requit
- requitable
- unprepossessedly
- unprepossessing
- unpreposterous
- unprescient
- unprescribed
- unpresentability
- unpresentable
- unpresented