You can replace all the shoes what you want with comfy dials with strong fabric wires instead of ordinary shoelaces.
Comfy dial can adjust finely, it makes your shoes fit.
Quick and efficient operation is possible, and anyone of any age can use it.
If you change your shoelaces to Comfy dials, it won’t untie.
As a semi-permanent product, it can be detached and reused for washing or used for other shoes.