A Dk weight yarn in acrylic, wool or cotton is the best option for beginners. This is because they are generally quite uniform in thickness, plus if you make a mistake you can easily undo it. Both are really methods of stitching yarn together, just in different styles. Knitting uses a pair of long needles to form the loops, moving a set of loops from one needle to another; the stitches are held on the needle. Crochet yarn online shopping uses a single hook to hook the loops together directly on the piece. Crochet is a process of creating textiles by using a crochet hook to interlock loops of yarn, thread, or strands of other materials.
The name is derived from the French term crochet, meaning 'small hook'. Hooks can be made from a variety of materials, such as metal, wood, bamboo, or plastic. The key difference between crochet and knitting, beyond the implements used for their production, is that each stitch in crochet is completed before the next one is begun, while knitting keeps many stitches open at a time. Some variant forms of crochet, such as Tunisian crochet and broomstick lace, do keep multiple crochet stitches open at a time.