Abstract: An apparatus, in the form of a push hanger hook, includes a housing, a hook fixed to the housing and a cover including a hook receiver. The cover is displaceable between a deployed position wherein the hook is received within the hook receiver and a retracted position wherein the cover is retracted into the housing and the hook is exposed from the hook receiver for access and use.

Abstract: An apparatus, in the form of a push hanger hook, includes a housing, a hook fixed to the housing and a cover including a hook receiver. The cover is displaceable between a deployed position wherein the hook is received within the hook receiver and a retracted position wherein the cover is retracted into the housing and the hook is exposed from the hook receiver for access and use.

Abstract: A system to releasably anchor a post at a predetermined location on a playing surface comprising a hollow, upright post to be releasably anchored at the predetermined location on the playing surface having a bottom on the playing surface and a top remote from the bottom and the playing surface; a hollow, frustoconical member disposed within the hollow, upright post adjacent the bottom to anchor the hollow, upright post to the predetermined location on the playing surface and to enable a quick release of the hollow, upright post when forceful contact is made with the hollow, upright post; and an arrangement connected between an interior of the hollow, frustoconical member and the playing surface to secure the hollow, frustoconical member to the predetermined location on the playing surface.