sounding line
sounding lead
lead line

She turned from him, jerking at the mule's lead line.

With a jerk on the mule's lead line, she started down the other side of the hill.

He hauled on the lead line to bring the first donkey from the water.

"I'm not a mare to be pulled about on a lead line."

In more remote areas, the only available depth information has been collected with lead lines.

He cut all the lead lines, then mounted one, bareback.

All we have to do is open the stall and grab his lead line.

Picking up the lead lines for the animals, she pulled them off the tracks.

She did start lipping at the knots in the lead lines, but without much real interest.

He also sang while playing the lead line on the accordion, another innovation.