s are a good suspension system for frames and canvasses. Because of the zig-zag pattern, the object stays suspended as it is and doesn't slip from
STAS sawtooth hanger
Hand-Forged Iron Single Twist Hook - Black Powder Coat
Yinpecly 38mm Iron Sawtooth Picture Hangers Sawtooth Hook, Black Extra Small Single-Sided Serrated Hanging Hook, for Hanging Clock Paintings Artwork Picture Frame, 50Pcs, Picture Hangers - Canada
Sawtooth Picture Hanger by Studio Décor®
Sawtooth Hanger - Picture & Mirror Hanging - Hardware - The Home Depot
STAS sawtooth hanger - STAS picture hanging systems
Yinpecly 53mm Iron Sawtooth Picture Hangers Sawtooth Hook, Large One-Piece Hanger, for Hanging Clock Paintings Artwork Picture Frame, 10Pcs, Picture Hangers - Canada
Metal Sawtooth Hook Hanger For Picture
Sawtooth Hangers - Lee Valley Tools
Yinpecly 65mm Iron Sawtooth Picture Hangers Sawtooth Hook, Black Extra Long Hanging Hook, for Hanging Clock Paintings Artwork Picture Frame, 30Pcs, Picture Hangers - Canada
50pcs Black Metal Iron Picture Photo Oil Painting Mirror Frame Sawtooth Saw Tooth Hidden Wall Hanger Hook with screw T shape