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The design RING THUMBTACK comes from the ring, the traditional of the thumbtack in the pull and push very laborious brings a lot of inconvenience to life. Designed the support part of the thumbtack to ring so that people use it will a lot easier and more effort, prevent it from rolling down.accord with the form follows function representation . Designed a different color scheme. To Increase the convenience of life and fun.
Gengkaiqian Lvlei Sunfeng Jinggang Huwenbin