Accessory for manually-operated exercise equipment, namely, accessory attachment to increase muscle resistance; Amusement products, namely, inflatable balls; Exercise balls; Exercise bars; Gymnastic training stools; Skipping rope; Skipping ropes; Skipping ropes incorporating digital counters; Stretch bands used for yoga and physical fitness purposes; Yoga blankets; Yoga bolsters; Yoga cushions; Yoga gloves; Yoga straps