How many fingers should one be able to slip under the emergency bandage after it has been applied?

After applying an emergency bandage, it is recommended that one should be able to slip one or two fingers underneath the bandage. This ensures that the bandage is applied securely enough to control bleeding while still allowing for proper circulation and not being overly tight. If more than two fingers can fit, the bandage may be too loose; conversely, if no fingers can fit, it may be too tight and could impede blood flow.