Sword-canes are submitted to regulations, weapons of category D ( aforetime 6th category). For foreign country, be careful to the law of your country.
For France:
art. L.2331-1 du Code de la défense
décret n° 2013-700 du 30 juillet 2013.
Sword umbrella
Bayonet system: hold umbrella at the bottom with one hand (on the smooth surface, be careful to the ribs) and hold the handle with your other hand. Do a quarter on the left and pull. So same thing on the other side to close it.
Sword cane
Hold the shaft with one hand, and the handle with your second hand and pull.
The blade is in maraging steel.
What the maraging?
Maraging the alloy is a compound of iron, nickel, cobalt and molybdenum. It is a hardening martensitic alloy with very low carbon content.
Its main properties are:
All these combined with complementary properties (physical, chemical or technological) properties allow to get the most for the manufacture of fencing blades.
Indeed, compared with a chrome molybdenum steel with higher carbon content, the "maraging" has many advantages: