Carver Proteus SkateCarver Proteus 30. 50 The Proteus skateboard features a boxy template, giving your front foot more support and allowing for a wider stance on a shorter board, while the clipped nose reduces swing weight when snapping a turn. The concave spoon nose hugs your foot and increases leverage, while the proper tail kick gives you the pop you need for ollies, pivots and bonelesses. The Proteus comes with the new Roundhouse Concaves, which are designed to