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Self-defense Ring / Ring

Self-defense Ring
Self-defense Ring

This self-defense ring looks like the ring for decoration but is has self-defense tools under the silicon rubber case. The tool has a pattern of helmet, which provides protection like the helmet. The top of it can be used for defense and attack. The blade of it is used to cut the rope.


Southwest Jiaotong University

Southwest Jiaotong University
Chengdu, China


Southwest Jiaotong University

Southwest Jiaotong University
chengdu, China

Design:Liu Guona QIU Liwei Shi Xiaoming He Guoli