Radius Garden Root Slayer Soil KnifeWe might have called the Root Slayer Soil Knife the Root Slayer Hori Hori, but we were afraid people might not know about one of the oldest and most essential garden tool designs of all time. Based on original Japanese designs, but updated with modern materials and style, the Root Slayer Soil Knife can perform the functions of almost any hand tool in the garden. Use it as a substitute for a trowel, transplanter, cultivator, or most importantly, a