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Bicycle seats are often stolen because they are so easy to remove. Saddle lock can solve this problem: the seat post has an extension that is flexible. This makes it possible to use the saddle with the seat post as a bicycle lock
Hongik University
Yeongi, South Korea
Da Hui Jeong
Hongik University
Gunsan, South Korea
Da-Hee Jeong,
Chi Gook Lee