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UV Crutch is a hiking stick which records the path of hikers. The most dangerous thing for hiking is get lost and then shortage of food, loss of temperature, or even worse: fall down in mountain. The bottom of the UV Crutch has a stamp function. This stamp function can mark special UV ink on the walking path. By using the UV light, it is easy to recognize the trace people went through. This can make hikers always find their way back. The ink of the stamp on the hiking stick can be resupplied.
Tsung-Hua Chuang Yi-Ting Zhang Kai-Siang Jhang