The barbed wire "Fidget" and various products and her ("Burdock", "Dogrose", "Acacia"), is used for the device of engineering obstacles for the purpose of difficulty of overcoming a boundary at penetration of the violator on the protected object. A hardly noticeable wire obstacle of MZPP - Putankaallows to prevent penetration of the violator on an object, to limit access on separate approaches to an object, to create a right-of-way along an object. Installation. Supply of materials. We work with regions of the Russian Federation.