Obviously does both the GHR and reverse hyper as well as some other exercises, but you better have some pretty strong hamstrings to be able to do GHR's on a flat knee pad like that. On regular GHR's having that rounded pad gives you good options because the further back you are the easier they become, and the more you scoot forward the harder it is because the knees are higher and in a fixed position, like how this setup is. Its good for space saving if you want both
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