Dakota Decoy X-Treme Snap Lock Snow Goose Socks Decoys feature a one piece collapsible system that offers the fastest setup and tear down times on the market. Decoys store flat taking up less room and feature a wind vane system which offers the best movement in low wind conditions Full spine system which holds the sock open in no wind conditions and have a 28 stake to keep the socks above the corn stalks No assembly required