Swivel Hooks Collection Single Utility Swivel Hook in Matte Black by Black Non Slip Velvet Hangers 44.5cm With 360 Degree Rotatable Hook Nellis Auction Matte Black 1.5 Inch Swivel Hooks (set of 2) Etsy. This hanger is made of tempered steel, coated with a specially formulated non slip plastic that cushions knitwear and helps keep them from slipping off the hanger. This hanger could also be used for lingered or other fine fabric garments. Includes swivel chrome hook. Introducing the Non Slip Hanger the perfect solution for all your trade show and store needs. Available in a sleek black color with a swivel hook, this hanger is not only functional but also stylish. Say goodbye to slippery hangers that cause your clothes to fall off or become wrinkled. Our non slip hanger is designed with a special coating that ensures your garments stay in place, no matter how heavy or delicate they may be. California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For more information: www. P65Warnings. ca. gov.