Addi Flexiflips Double Pointed Knitting Needles (3Mm Us 2)cast-on to an effortless new method of knitting socks, cuffs, hats, and many of other projects which are worked in the round, with the addi FlexiFlips Made specifically for North America, these specially designed 21cm circulars (35 tips with 1 cord) rest comfortably in the hand, and act as f..