✔️ Multifunction Tension Rope Design: This 4-tube pedal ankle puller is a multifunction tension rope built for a total body workout. Fitness Resistance Bands - 4 Tube Pedal Ankle Puller. ✔️ Premium Build for Safe and Effective Workouts: Built from high-quality materials including non-toxic NBR tubing and thick foam handles, these 21 Fitness Resistance Bands-4 Tube Pedal Ankle Puller units ensure comfort, safety, and durability.