Related Clues:
- Coronary ___
- Arterial insert
- Tube used to keep an artery open
- Tube in eardrum to drain and ventilate ear
- Tube passed through eardrum to drain it
- One is used to drain the ear
- Good memory required by opera house producing the Ring?
- Ring for Madame found in rubbish
- Cat returning to cross river, came across eyelet
- Ring of rubber to line a hole and prevent chafing
- Eyelet in a sheet or panel
- Ring for hole — tube for eardrum
- Ring of rope or metal
- Canal-clearing tube
- It can get the blood flowing