To inexpensively manufacture a skidproof device having a skidproof body formed in a net-like state and to facilitate the mounting of the skidproof device.

The skidproof device for the tire comprises a net body 3A formed in the net-like state by coupling the parts of elastic strings 6 to each other via couplers 10 so that a mesh 11 is formed of the strings 6 formed in the string-like state by coating the string-like core with an elastic material in such a manner that the skidproof body is formed in a divided state of a plurality of the net bodies 3A disposed in the lengthwise direction A and the respective net bodies 3A are caulked to the inside clamping cable 4 disposed at the inside of the tire via couplers 12.