Amazon.com : Gymnastic Rings with Numbered Strap,5BILLION 1.1 inch/28mm Wooden Olympic Rings with Adjustable Cam Buckle Strap,Wood Gym Rings for Home Gym Full Body Workout,1500lbs Supported : Sports & Outdoors
28mm/32mm Wooden Gymnastic Rings With Adjustable Number Straps Pull Up Non-slip Rings For Crossfit Training - Gymnastics - AliExpress
Amazon.com: Double Circle 1.1 Inch Wood Gymnastics Rings for Bodyweight Training - Home Gym Workouts and Olympic Exercises - Slip Resistant Grip Strength - 28mm (Rings Only) : Clothing, Shoes & Jewelry
Wooden Gymnastic Rings with 15 FT Long Adjustable Straps, Non-Slip Gym Rings 313102871899 | eBay