This is one of a a number of old pine carved whimsies I purchased together and believe were all made by one American carver, first half of the 20th century I think. Squarish links on this one with a handy hook for hanging on one end with a two ball cage at the other dangling at the end. All carved from one piece of wood with no notable chips, cracks or splits. There are some flea bites though on one post of the cage.
20 5/8" long x 1 3/16" wide; links are about 2" long each.