D-shaped buckle yog ib hom yas buckle ntau heev. Nws yog feem ntau siv hauv hnab ev ntawv. Nws yog ib qho indispensable nthuav dav accessory ntawm backpacks. Nws ua haujlwm zoo li cov ntsia hlau me me, uas zoo li tsis pom tseeb tab sis siv tau zoo.
D-shaped buckle muaj npe vim nws zoo li tsab ntawv" D". Nws arc yog du heev, thiab nws yog qhov tsim nyog rau khaws nrog koj tus ntiv tes xoo lossis ntiv tes xoo. Yog li ntawd, qee lub hnab yuav tsim lub D-shaped buckle nyob rau hauv qhov chaw uas muaj zog pab. Cov hnab ev ntawv loj dua yuav muaj D-shaped buckle nyob rau hauv pem hauv ntej ntawm pluaj. Qhov kev tsim no yog los pab koj nce lub zog thaum lub hnab hnyav dhau. Siv ib leeg ua D-shaped buckle rau dai iav thiab cov yuam sij.
