drawing of chain, anchor and lifeline

aboard anchor ancient antique border buoy cartoon catena chain circle doodle drawing emergency equipment float graphic grunge help icon illustration iron join lifebelt lifebuoy lifesaver lifesaving marine maritime metallic nautical naval navigation ocean old problem protect rescue risk rope rough rusting safe safety sailing salvation save saver sea secure ship shipwreck silhouette simple sketch stainless strength strong support survival swim symbol transportation travel vector vessel vintage