Flexi Flips are my new favorite for knitting in the round (especially socks) because they bend perfectly in my hands and feel so natural when working a small circumference. Like stretch denim is to jeans, Flexi Flips are to double points! - Ruth

FlexiFlips can be used instead of double-pointed needles, magic loop or two circulars for small circumference knitting (cuffs, sleeves, the top of a hat).  Simply distribute your stitches over two needles, and then knit with the third.

FlexiFlips have a pointed tip at one end and a more blunt tip at the other You choose which you want to knit with. They also make great cable needles.  to see them in action.