Hook used for simple clamping of banners, flags, advertising banners on the supporting cable mast. Plastic snap hooks are applied to the sewing trimmings attaching the reinforcing battalion. Hook is made of Polyamide PA 6 frost resistant to temperatures from -30 ° C, briefly up to temperatures of 160 ° C and long term to 70 ° C. Their advantage is resistance to climatic conditions, long life, strength, endurance, while wet cleaning (washing) battalions. Not corrode.