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The EVA foam is firm enough to hold its shape but still gives a little where it counts, and the angle it creates makes a huge difference for positioning. I wasn't sure about the wedge design at first, but now I can't imagine using the toy without it.

My hips were screaming after every session until I tried this wedge. The rugged EVA foam keeps its shape perfectly while supporting me at that exact angle, and it's made a huge difference in how long I can ride.

The EVA foam is firm enough to hold its shape but still has a little give, which makes positioning way easier than I expected. I don't have to constantly adjust it mid-ride anymore—it just locks in the angle and stays.