The ornamentation with guilloche is the fact of decorating with guilloche the metallic parts of a knife.
Guilloche: all lines, wavy lines that intertwine and intersect.
We propose St Jacques with few guilloches because we prefer clean line. But spring, blade, handle, all parts of the knife can be decorated with drawing or writing on demand
We propose generally the ornamentation with guilloche of the spring with the following hand-made ornament :