Sell Bookmate(Almighty style)

Functions
Helps develop good reading posture.
Prevents shortsightedness.
Prevents neck pain.
Prevents stress on spinal column.
Frees both hands from holding the book.
Features
1. Could keep a right angle between the book and your eyes, which makes your eyes feel comfortable when reading, protect your eye-sight.
2. The angle between book and the desk can be easily adjusted in 6 grade. Easy bring it everywhere, and can be easily folded and open.
3. The angle include: 42掳, 50掳, 60掳fixed angles.