Which is better, a hammock with a spinal cord or a support?

A hammock with a spinal cord and a bracket is better than a hammock with a spinal cord. According to relevant public information, the invention has the advantages of preventing the wear of the suspenders, facilitating the adjustment of the extended length of the suspenders, wearing resistance, cutting resistance and aging resistance; The hammock with spine rope is economical, the support is not tight enough, it has no toughness, it is too elastic, and it is easy to slide down, which is not conducive to hanging and binding, and it has strong water absorption and is easy to be damaged by mildew.