A method and device for supporting a string and/or a sheet of material, such as a rope, a length of twine, a trellis netting or a barrier material is provided. A ground anchored device includes a rigid post and two or more flexible arms. The arms may be configured to support two or more sheets of material, wherein the sheets of material may further support plant growth. Alternately or additionally, one or more arms may be positioned to maintain string optionally bearing flags and/or barrier material to further discourage intrusion by animals. Horizontal lines may be extended from a plurality of devices to even further discourage intrusion by animals and/or to support the barrier material.