Minus 15 degrees. Midnight. A PistenBully draws millimeter-perfect grooves through fresh snow.

Most people will never see this work. But every cross-country skier will feel it the next morning.

What turns snow into a surface that holds? What defines the geometry of a track that lets skis glide instead of fight?

Precision matters – at night, in silence, when no one's watching.

In the following story you will find answers

The red snow groomers from Kässbohrer are a familiar sight in every ski resort. Under the hood there are nine of our LCV series valves.

Read the whole story: LCV Master of the Extreme

Did you know why ski slopes have grooves?

Some think it's because it looks nicer. Others say it's because it gives your skiing a softer 'feel'. Still others speculate that the grooves provide better grip, because on a completely polished surface you would just slide away. Some of these ideas are already on the right track. But what exactly is the explanation for this phenomenon?

Read more in our story "The perfect groove"