1.Specialty buckles (spring-loaded, quick-release, camouflage) for niche use scenarios.
2.① Spring-loaded buckles (automatic adjustment); ② Quick-release buckles (emergency use); ③ Camouflage buckles (outdoor gear); ④ Durable materials (metal/plastic).
3.Outdoor tactical gear, medical braces, children’s products, camouflage apparel.