Final answer:
When hiking, you should carry a basic first aid kit with safety items. The item that is NOT something you need to carry is a hammer.
Step-by-step explanation:
When hiking, it is important to carry a basic first aid kit with safety items. The options given are emergency blanket, waterproof matches, antiseptic, and hammer. The item that is NOT something you need to carry is a hammer, as it is not typically used in first aid situations.
Learn more about Safety items in a first aid kit