The swivel knife is used to outline and cut a design into the surface of leather as an initial stage to tooling the leather with decorations. The blade is ground to a 30Deg. angle (both sides) to help the user control the depth of the incised line.
How do you use a swivel blade?
https://www.youtube.com/watch?v=3d6wHwg-QT4
How do you use the adjustable swivel knife?
https://www.youtube.com/watch?v=ESe575qQp0I
How do you use a swivel knife sharpener?
https://www.youtube.com/watch?v=xubxctswr4w
What is a Ballenger swivel knife used for?
This instrument is used in submucous resection of nasal septum. The tip that rotates 360 degrees on itself helps in complete resection of cartilaginous septum. Its angulation ensures that the tip of the knife is not obstructed by the hands of the surgeon during the procedure.
How do you sharpen a swivel knife blade?
https://www.youtube.com/watch?v=kqwnyGzhJvc
How does a swivel knife work?
Those are called swivel knives. The user rests a finger in the curved saddle up top to provide downward pressure, and the rest of the tool swivels between the thumb and other fingers, allowing the user to change direction.