Exercise equipment for agility exercises, namely, agility ladder systems and kits comprised of polymeric agility ladders strips and polymeric strip connectors, and components in the nature of polymeric agility ladders strips and polymeric or rubber strip connectors; agility ladder kits for forming agility ladders comprised of polymeric strips and rubber or polymeric connectors for connecting strips to one another; agility ladder kits consisting of polymeric strips and rubber connectors for co...