An easy -to-follow guide showing one of the methods of applying a support sling
Gently support the injured arm. Ask the casualty to assist if possible
Place a triangular bandage with its base parallel to the casualty’s body
Bring the lower end of the bandage up to meet the upper end at the shoulder. Secure it with a reef knot
Use a safety pin to secure at elbow, or twist bandage and tuck into sling at the back of the arm
With the arm safely supported in a sling, you can transport the casualty