All states require candidates for barber licenses to take and pass a state barber examination, which may be a state-designed examination, the national examination through the National-Interstate Council of State Boards of Cosmetology (NIC), or a combination of the two.
Upon the successful completion of a barber program or apprenticeship, candidates for barber licensure must successfully take a state license examination, which generally consists of a written (theory) section and a practical (hands-on) section. Some states utilize the written and/or practical examinations offered through the National-Interstate Council on State Boards of Cosmetology (NIC).
Actually, It's the government who give license to work as a barber, the policies change according to state. However, in general basics, it takes around 1500 hours of instruction, and the minimum age is 16 years old, to have high school diploma and past the licensing exam.
Dynamic stretches are part of an effective warm-up because they can help build endurance for the activity. They also help in flexibility and range of motion in the human body.
