Adjust additional stuff under or upper hammock is needed to give extra protection for the hammock users like camper. For example, like underblanket for hammock can be very useful for users. Snugpak bushcraft hammock underblanket is designed from quilt fabric. While the users apply this underblanket into their hammock, they just need few minutes to fit it. It is easy to assemble. Therefore, it can warmth the users all night. So, while the weather is not quite good it will help the users to survive in the bad weather. The light substance which is used as it material will simplify the users to fold it while they do release it.