support for fracture / Emergency

Compact design makes it easier to carry, solid shell bring tremendous sense of security.
It can be directly used for bandage. Solid shell is instead of wood, branches. Breathable layer to ensure airiness, is to avoid secondary .The indicator lamp will change because of pressure. The pressure is too large,, red light; pressure for fixed green light. It avoids tight affect the blood supply.
When the arm is fixed, just pull on the shell, it can hang on the neck. Since the symmetrical structure, avoid to delaye the emergency time.
It has a storage layer on top of the shell, which made grooves as replica fingertip for easy access to first aid item