Fun and as often happens in sports: is exhausting

In the first experiments, it is already too tough to get both feet on this part. But it is not long until one has it.
Along the wall, for example, where you can hold from time to time, you can test this sports equipment well and practice using it.
One hälts not long, because it's exhausting. But at this time it's fun. Is processed as expected; everything fits!