<https://www.superflexfitness.com/product-category/super-flex-sports/super-flex-tennis/#webpage>
<http://schema.org/description>
"The bands can be used for on-court dynamic warm-ups, strength and stability workouts, and most importantly, for speed, agility and quickness training. Our movement bands are designed to enhance all aspects of on-court movement and physical conditioning including first step, explosive split step, endurance, foot speed, and recovery step."
<https://www.superflexfitness.com/product-category/super-flex-sports/super-flex-tennis/>