What functions can guitar thumb picks play?

Guitar thumb pick refers to using the thumb to play guitar strings. There are several advantages to using the thumb to play guitar:

Soft timbre: Thumb playing usually produces a softer and more rounded timbre, which is very useful when playing certain styles of music, such as finger guitar and jazz guitar.

Wider control: Due to the relatively large and even force of the thumb, playing with the thumb can provide a wider range of control, from gentle to strong musical performance can be achieved through the thumb.

Convenient switching between single notes and chords: Playing with the thumb allows for easy switching between single notes and chords, as the thumb can naturally cover multiple strings.

Applicable to specific styles and techniques: Thumb playing is often closely related to finger playing style and is also common in some folk, pop, and country music.

Overall, using thumb paddles is an important technique in guitar performance, which can make the performance more diverse, rich, and flexible, suitable for various music styles and performance needs.