FEATHER-bed-lane,
any bad Road, but particularly that betwixt Dunchurch and Daintry. To Feather his nest, to inrich himself by indirect Means, or at the expence of others.
· 
· 
Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
Feather-bed Lane in the 1811 Vulgar Tongue
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).