Based on the operation guide steps
Perfect for replacing
Easy Replacement: Fix these replaceable cushion in the original slot of GOOVIS VR
the internal and external threads can be tightened at the same time to achieve the best results
Loose Leaf Binder Rings 1-Inch(100 Pack) Office Book Rings, Nickel Plated Steel Binder Rings, Key Rings, Metal Book Rings, for School,Sliver auspowers_batchfive Based on the operation guideLoose Leaf Binder Rings 1 Inch100 Pack Office Book Rings, Nickel Plated Steel Binder Rings, Key Rings, Metal Book Rings, for SchoolSliver Color: Silver Package: 100 Pcs What makes these straws unique Right size: inner diameter 1 inch 25 mm Wide Application: Use these convenient rings to bind documents, or to link together a multitude of different materials,Great for loose leaf, memo filing, key rings, scrapbook, binding recipe, photos, book, sample