Rattler Ropes Viper 5 Strand Calf RopeRattler Ropes Viper 5 Strand Calf Rope 5 Strand Length: 28' Less Stretch Core Tech The Viper five strand calf ropes by Rattler Ropes have the speed and quick snap like a vipers strike. This rope is made of five strand of low stretch poly fibers are woven around a solid braided core. This calf rope has more consistency and less stretch than any calf rope on the market today. The Viper calf rope has the feel of a poly grass rope, the strength, and