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The design of belt buckle makes users adjust the length of helmet belt with single hand easily. The characteristic of cylinder can be used in any direction along with the magnetic of magnet make users plug the buckle into cylinder seat with single hand smoothly. It can be used in any helmet and is easy to be assembled and disassembled. It makes users satisfied with only three parts, two functions and one product.
Tainan University of Technology
Tainan, Taiwan
CHENG-LIN WEN,
Tainan University of Technology
Wei-han Xue,
National Kaohsiung Normal University
