BF-MM Pick Tines Cultivator YARD BOSS® AttachmentThe YARD BOSS Pick Tines Cultivator breaks up weeds and hardened soil in the garden without disturbing nearby plants. The pick style tines deliver exceptional control while effectively loosening hardened dirt or mulch. This is the standard attachment for the MM 55 and MM 55 C E STIHL YARD BOSS lawn care systems, so you can prepare soil for planting and keep your garden areas perfectly maintained no assembly required.