This is the “chain-gang,” so called once in scoffing ignorance of the humane purpose the contrivance serves.
To begin: why did you send those four prisoners out with the chain-gang?
Some of the largest farms in the South are operated by chain-gang labour.
My idea was to let that chain-gang get out of sight before I climbed the hill.
But Moses must hurry, for the word had gone forth that the brothers were to be sent South, and the chain-gang was being collected.
There were upward of two hundred of us, and they let us out like a chain-gang, one by one.
In San Francisco a prison is in course of erection by the labor of felons condemned to the chain-gang.
In half an hour the chain-gang starts for the mines, and you are one of them.
He got rid o' the chain-gang men altogether, and hired none but men o' the best character in their place.
From the vessel I observed the chain-gang at work on the levee.
The football officials who carry and set the chain that marks off the ten yards needed for a first down (1980s+)