(TrendHunter.com) The Star Uno CORE 15 is a versatile core trainer system that will work effectively to provide athletes with an all-in-one piece of equipment that's perfect for partaking in training from home.... (TrendHunter.com) The Star Uno CORE 15 is a versatile core trainer system that will work effectively to provide athletes with an all-in-one piece of equipment that's perfect for partaking in training from home....