The invention that helped me write again
7 December 2016 Last updated at 02:20 GMT
When Emma Lawton was 29 she was diagnosed with Parkinson's disease.
As a graphic designer, drawing is a huge part of her life but over the past three years the tremor in her hands has grown more pronounced stopping her from writing and drawing straight lines.
Enter Haiyan Zhang and her invention that is changing Emma's life.
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