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The needle is designed to solve problems when people do threading, especially for elder people or people with poor eyesights. The user just needs to pull the string against the hole on the top of the needle, and then bend the end of the needle with fingers. “Bending Needle” is made of flexible metal material that can bend when it close the hole and turns straight when taking out the threads.
Xi Wang; Chuan Cao; Longdi Sun; Pihsaia Sun; Prof Fangtian Ying