non-slipping devices for footwear; footwear; boots; half-boots; inner soles; fittings of metal for footwear; footwear uppers; slippers; sandals; soles for footwear; shoes; heels; sports shoes; boots for sports; ankle boots; hosiery; insoles; dress shoes; flip-flops; casual shoes; flat shoes; women's shoes; winter boots; ballet flats; yoga socks; non-slip socks; clothing