It is said to be prehensile.
Iguanas do not have a prehensile tail.
Prehensile means they have control over it, a spider monkey has a prehensile tail and can use it to cling to branches and things. Prehensile appendages are usually used like we would use our fingers.
Baboons and Mandrills do not have prehensile tails. They are large monkeys that spend most of their time on the ground. For that reason, it is not necessary for them to have a prehensile tail.
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Giraffes
Some species of Australian possums have a moderately prehensile tail.
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A prehensile-tailed porcupine is a herbivore which means they only eat fruit, seeds, leaves... etc.
Prehensile tails are made of vertebrates. However, the specific structure changes from species to species. Additionally a part of many mammalian prehensile tails the "friction pad," a bare patch to aid gripping.
Stencil, prehensile. grensil
Chela