This is a good quality green pearloid / shell Dadi celluloid thumb pick.
These are used on many string instruments
- For the acoustic guitarist these are used for acoustic fingerpicking or for thumb picking folk guitar
- For all banjo instruments which are regularly played by finger picking
- For mandolin picking
- for bluegrass dobro guitar national guitar and other types of resonator guitar
The thumb plectum offers some protection for the thumb especially for steel string picking.