The perfect volleyball training gear to warm up your arm without ever chasing a ball with the Volleyball spike trainer. This high quality volleyball spike trainer consists of elastic cord, and carabineer that attaches to basketball goal, pole or anywhere a carabineer can be secured. Perfect for solo volleyball training or use to hitting, arm swing technique, or to warm up your arm. Cord is adjustable so any player can practice with the Volleyball spike pal. Tandem Sport has been manufacturing and distributing quality volleyball, sports medicine, equipment and training devices to the sporting goods market since 1989.