Fastenings TRIZ Cases
- Detachable Shoelace Loop Locking Groove for Footwear Tension
A detachable lacing apparatus uses a winding drum and locking grooves to secure shoelace loops on footwear.
- Cycling Shoe Metatarsal Expansion Zone for Foot Shape Adaptation
Elastic expansion zone in cycling shoe upper adapts to individual foot shapes while maintaining structural integrity.