AB Exerciser Multifunctional Yoga Inversion Chair Headstand Trainer, Home PU Pads Workout Fitness Gym Equipment Yoga Inverted Stool Basic Info. Model NO. MS-YS001 Yongkang Meshine Industry & Trade Co., Ltd. Multi-Function Handstand Home Fitness Gym Stool for Yoga Abdomenizer Basic Info. Model NO. MS-HS001 Yongkang Meshine Industry & Trade Co., Ltd.