Between the sheer thickness (2 full inches in diameter) and being 3D-printed, I find these to be best if you're specifically looking for grip training and forearm engagement. When using these grips on lat pulldowns and similar movements, the bottleneck on failure will be my grip every time rather than my back. As long as that's understood, they're a solid addition to the longy/shorty bar. I was worried about how well they'd stay attached, but they're actually surprisingly solid in that regard.
Performance
Value
Build Quality