US
・UK
As mentioned, the stones in the track ballast have a characteristic shape, size and texture.
Since stones in the track ballast are jagged, they interlock with each other.
When the bobsled reaches a curve in the track,
When the bobsled reaches a curve in the track,
You're often going to see a little chatter in the track as well.
You're often going to see a little chatter in the track as well.