... ear canal;* It can be used with scoop stretcher and spine board at the same time.* Minimal interference with X-ray,MRI ... ear canal;* It can be used with scoop stretcher and spine board at the same time.* Minimal interference with X-ray,MRI ... ear canal;* It can be used with scoop stretcher and spine board at the same time.* Minimal interference with X-ray,MRI ...