The Soloflex Story
Soloflex revolutioned the home fitness industry with the introduction of the Soloflex Muscle Machine in 1978.
These shock rings are expensive, but are well worth it. I was on the fence about buying these for a long time, but now that I have them I wish I would have bought them a long time ago. They are, in my opinion, far superior to the weight straps. The shock rings supply a constant load through the concentric/eccentric phases of lifting, unlike the weight straps, which I feel peter out during eccentric contraction. Combined with weight plates, the shock rings will give you a feeling that the weight straps lack.
I've also talked to another Soloflex devotee who said he's had his shock rings for a long time, and unlike the weight straps, one doesn't have to worry about oxidation or cracking.
These shock rings are a win/win---awesome feel, durability and reliability. I'm converted. My only question is why in the world did Soloflex stop offering these in the first place?