SCARIFYING-ROLLERUR M 3 71AAA036650 A scarifying roller (or scarifier) is a lawn care tool designed to cut into the soil surface (typically 3mm or deeper) to remove "thatch"a layer of dead grass, moss, and organic debris that builds up between the grass blades and soil. It acts like a comb for the lawn to stimulate growth, improve air circulation, and allow water and nutrients to reach the roots more effectively. Key Uses of a Scarifying Roller: Removal of Thatch and