单手卷笔刀 / One Hand Pencil Sharpener

For the single hand disabilities, there are a number of problems in the life. Such as sharpening a pencil.
This sharpener is designed for the one-handed disabilities or injured people. At the top of the sharpener is a spring clip device, which can easily clip on the edge of the table. And then, the users can sharpen a pencil easily.