Allen, from Bradford, was worried that she could lose her hand after it became impaled on a comb while she was attending a client at a hairdresser ...

A prosthetic hand that weighs about half that of a human hand also enables wearers to carry out intricate tasks, such as tying knots ...

This can help reduce the intensity of the discomfort. The pressure from the comb is also thought to trigger acupressure ...