from The Century Dictionary and Cyclopedia
- n. A short chain, with a ring at one end and a toggle-hook and ‘ring at the other, fastened to the sway-bar or bunk of a logging-sled and used to regulate the length of a binding-chain. Also called bunk-chain.
Sorry, no etymologies found.
Burrage's bread, which there ain't no more raisin 'into it nor a toggle-chain.