Homemade obstacles in the videos already appear very often but today we have an exception. Sam produced something like a staircase with sloping sides and he can ride them very well. At first glance, it looks as though the material was ordinary but the plaster begins to ride so we can see that it’s something else, something stronger. If you have such material, and then you have almost won, because you can make any street obstacle. Video will say much more.