The blades are so secret that they are designed to protect the food tissues when cutting them, without disrupting the tissue, without the tissue fluids coming out, that they are truly resistant to oxidation; the blades are so thin that they are one-sided, which are in line with the cutting principle, that they are true skin-cutting specialists; and the flexible nano-porche, the cut of the meat, which is lighter, does not blow, enjoys the ease and pleasure of using the knife, is far from the heavy metal, is really a healthy kitchen helper。