Greenfield Vinyl Coated Richter Anchor The Greenfield Vinyl Coated Richter Anchor is the ultimate in high performance anchors for nearly all applications and conditions. It offers the weight of a river anchor, the penetration of a grapnel anchor, and the easy retrieval of a slip ring anchor. Make anchoring a breeze by adding a length of chain to your anchor line. It digs in and holds under almost any condition, but releases even when buried or tangled. Suitable for use in all weather and bottom