The Second Jungle Book by Rudyard Kipling Chapter 11 Page 15

it is fastened by a sort of button and loop which can be slipped by a turn of the wrist, thus freeing one dog at a time. This is very necessary, because young dogs often get the trace between their hind legs, where it cuts to the bone. And they one and all WILL go visiting their friends as they run, jumping in and out among the traces. Then they fight, and the result is more mixed than a wet fishing-line next morning. A great deal of trouble can be avoided by scientific use of the whip. Every Inuit boy prides himself as being a master of the long lash; but it is easy to flick at a mark on the ground, and difficult to lean forward and catch a shirking dog just behind the shoulders when the sleigh is going at full speed.

If you call one dog’s name for “visiting,” and accidentally lash another, the two will