This is a multi-functional camping site nail hammer surface texture design, which increases friction, anti-slip, the small hole at the tail can wear a lanyard, hang up the storage hammer, the body has a built-in ground nail warehouse, and the built-in 8 ground nails are strong and durable, the hatch latch buckle design is not easy to scatter, convenient storage, the bottle mouth design can be opened for one thing for multiple uses, convenient camping, the hammer head increases the force, the area is high, the foot design is easy, and it is convenient to pull out the ground and saves effort.