Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
When sewing, the finishing thread is often too short to tie a knot. "Dismountable needle" has a removable needle shaft with a screw end that can be reassembled back and allow to tie a easy knot
just using the needle eye and save thread.
Xuzhou Insititute of technology
Xuzhou City, China