at this time, these dice are only produced by The Dice Lab, that happen to be element of their "Skew" dice set. The form was preferred as it is actually difficult to "skew" a daily icosahedron in a method that the shape stays isohedral (mathematically reasonable). The Dice Lab's Skew d20 existence

Don't fret about hoping to have the grips properly with the photographs or wanting to throw them exactly much like the guides say. It would not matter the way you do it, if you can toss them in order that they spin alongside one another, than that may be it, there isn't any key way of doing it. in