pellicle
Professional Dingbat, Guru and Merkintologist
Not something I want but it's good to know it's there
https://blog.csiro.au/bone-cartilag...rifecta-and-its-made-of-titanium-and-plastic/
https://blog.csiro.au/bone-cartilag...rifecta-and-its-made-of-titanium-and-plastic/