Gallery hanging systems of metal comprising rails, thread, wires, hangers, and positionally adjustable hook devices for adjustably pinning or hanging posters, pictures, and picture frames; Metal rails and mounting brackets for hanging posters, pictures and picture frames; metal threads, wires, cords, and cables for hanging posters, pictures and picture frames; hangers in the nature of metal hooks for hanging threads, wires, cords, and cables to rails and mounting brackets; novel positionally ...

printed metal spring for use in a spring powered display merchandiser