How should the thumb be fitted in shears?

Fitting the thumb properly in shears is crucial for effective cutting and overall control during a haircut. Placing the thumb at or slightly over the cuticle area allows for better leverage and movement. This positioning enhances the stylist's ability to execute precise cuts and enables smoother hand movements while also providing the necessary tension. It helps in avoiding fatigue during longer sessions and ensures that the shears can be maneuvered effectively.

The precise fit of the thumb contributes to proper ergonomics, which is essential for maintaining a comfortable grip and preventing strain on the wrist and hand. When the thumb is positioned correctly, it allows for a more natural hand position, which can lead to improved techniques and results in hairstyling.