A work holding device includes a substantially C-shaped first frame that includes a first end and a second end and is rotatable about a first center axis that is located therebetween, and a substantially C-shaped second frame that includes a third end located between the first end and the first center axis and a fourth end located between the second end and the first center axis, the second frame being rotatable about a second center axis that passes the third end and the second end and is perpendicular or substantially perpendicular to the first center axis. A groove into which an edge of a work is insertable is provided in the second frame.
