Grass ski carpet, spiral grass assembly, and spiral grass

A grass ski carpet, comprising a plurality of spiral grass assemblies arranged regularly, wherein each of the plurality of spiral grass assembly comprises:

• a plurality of row brushes arranged in a same direction, wherein each of the plurality of row brushes comprises a base bar and a plurality of pieces of spiral grass, the plurality of pieces of spiral grass are spaced apart and fixedly connected to a first surface of the base bar, the plurality of pieces of spiral grass are arranged in a same direction, each of the plurality of pieces of spiral grass has a grass tip, a grass stem, and a grass root, the grass stem of each of the plurality of pieces of spiral grass is curved, the grass tip of each of the plurality of pieces of spiral grass is bulbous, and rotation directions of all the plurality of pieces of spiral grass are same;
• and
• a base plate fixedly connected to each of the plurality of row brushes through a detachable structure, so that the plurality of row brushes are arranged on a surface of the base plate.