An apparatus is provided having a sling or sock configured for contacting a wind turbine blade. A reinforcement member attached to the sling or sock. The reinforcement member configured to resist sling or sock collapse and maintain the sling or sock in an open configuration. A method is also provided for moving a wind turbine part, such as a rotor or blade. The method includes the step of attaching a sling or sock to the wind turbine part, where the sling includes a reinforcement member attached thereto.