About Smalley Retaining Rings, Snap Rings and Laminar Seal Rings. Welcome back to the Smalley Ask the Expert Blog, where our engineers answer commonly asked retaining ring and wave spring questions. This week, our. Smalley's Hoopster Retaining Rings offer an innovative way to retain mechanical components when space is a problem. Hoopsters have a minimal radial. WaveRings®. The WaveRing is a spiral retaining ring with an axial wave form. It acts like a standard retaining ring with the additional feature of compressibility. Spirolox Retaining Rings, also known as Spiral Retaining Rings, are available exclusively from Smalley. Spirals have no ears to interfere with mating. Manual spiral ring installation on an individual or low production basis is accomplished as follows: 1) Separate coils and insert end of retaining ring into groove.