1. There are also chapters on promotional picks, and plectrums customized and specially designed for thumb and finger.

2. 2 There are also chapters on promotional picks, and plectrums customized and specially designed for thumb and finger.

3. Most early Banjos were 5-string open-back styles until the early 20 th century when 4-string tenors and plectrums started being used in the popular dance bands of that era and eclipsed the 5-string