I found it online. I made some crochet myself with chopsticks. Very useful. Now I would like to recommend a method for you: I made a bamboo crochet step diagram myself, and I joined the crochet experience. The raw materials are very simple, such as bamboo. I can find bamboo chopsticks without it. The tools are also very simple: a knife (too sharp and easy to cut and deform), fine sandpaper, polished sandpaper and a ruler (for measuring diameter) as auxiliary tools. I made a dozen crochets, large and small, without the final polishing step, but they were smooth enough, and each one was trying to adjust and handy. Key points: 1. The hook mouth shall not be higher than the needle bar and the hook head shall not be thicker than the needle bar. Don't dig the hook too deep at once, or the coil will get stuck in the crochet needle and it will be difficult to withdraw. 2. I originally designed the needle bar into a shape from thick to thin, but I felt that the hooked coil was easy to be uneven, so I changed it to straight. If the fast mm has little influence because of inertia. 3. It is best to grind the shape of the needle bar and needle before digging the hook, so that only the hook groove part needs to be ground at last, and other places need not be moved. Look at the hook I dug. There is a small side cut next to it. I think it might be more comfortable to take the line. The tip of the hook can also be sharpened, but do not leave it too long. 4. When grinding the hook, fold the sandpaper in half, so that the top and bottom can be ground to a dark color. That kind is made of bamboo chips turned out from grandma's firewood pile, which has not been climbed for decades. It's probably a good material. What I made was 1.5 ~ 5 mm in diameter, and this diameter was increased by 3 mm. Some sisters said that they were afraid of breaking. In fact, bamboo skin is the toughest part, and it won't break without cutting. There is still room for serious correction. Pay attention to the left thumb pushing the knife. The needle can be scraped slowly without cutting. It is best not to suspend the operation, because the strength is not well mastered. As for knives, it's better to do this. Swiss army knives or blades are not easy to handle. Because the blade is too wide and sharp. [This post was last edited by Yun Yun in my hometown on February 6, 200917: 31] {094fc6f8-429f-48a9-B758-557018ac48c3}. Jpg (26 kb) Finish polishing crochet {bc9730ae-2491-4abc-a851-2eebcab5da0a}. Jpg (29 kb) Finally polish crochet 1. JPG ( 15 KB) 1。 Undug crochet. I left the bamboo green to increase toughness. 2.JPG(7kb)2。 The diameter of the needle bar I measured is 5mm, optional, on demand. But the length should be controlled at about 4 cm or less. Too long will increase wrist movement 3.JPG( 14kb)3. Draw a black arc at 5mm of the needle and a red arc at about1.5cm.. Look at this 5.JPG(6kb)5. Cut the black line first, and then cut the optical fiber. Be sure to pad it. Don't be lazy! This is very important, the hook is not easy to break 6.JPG(9kb). 6. Cut the red line and dig the hook groove. Hold the thumb of the left hand against the ridge of the knife to control the strength, cut black first, then cut red, and repeat several times. 7.JPG(7kb)7。 Dig hard. Needle bar diameter: hook head: groove = 0.5cm: 0.5cm:1cm =1:1:2. It's still ugly at this time and needs sandpaper to shape it.