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 blunter tip at the other You choose which you want to knit with. They also make great cable needles.
Click here to see them in action.