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This is a special designed for the blind bookmarks.
Bookmarks can be caught on the edge of the page . And can slide up and down .This bookmark can be fixed in the place where the blind people read . This designreflects the care for the vulnerable groups in society.It is a very simple thing to find a specific pages or chapters in this book for sighted people. But the same thing for those who need toread braille books is not so easy, and it might take them long time, because the braille signs can only be recognized through perception.
College of Science & Technology Ningbo University