Knitting Needles with Hooks at the End,
Size: 2mm/3mm/4.5mm/6mm/7mm/8mm/9mm/10mm
Advantages:
The difference is that they have a smooth side (like a knitting needle) and a hooked side (like a crochet hook). They are used in countries like Turkey, Egypt, Peru and Portugal, where the Portuguese Style of Knitting is most common.
1) you might combine knitting and crochet in the same fabric;
2) You use the hook to pull yarn though stitch;
3) You bind off using single crochet
These needles have been used for centuries and are used in many countries to this day.