It’s just over 4 inches long when folded up, making it handy for slipping into a pocket and having on hand when spare whittling time comes about. The Old Timer 24OT Folding Whittling Knife ...
If a lathe is involved, it’s a woodturning project. If not, it’s wood carving. Whittling is also sometimes mistaken as a separate form of woodworking. It’s just a simple type of wood carving.