The animal learns real quick about the pain a twitch can inflict! Horses being gelded don't even suspect what is going on in the groin when a chain twitch is properly applied to the nose!
The things I learn here. I look forward to finding one of these as I'm plowing the land. I've already cached 3 wood splitters, 4 hammers, 7 hillers, 4 various size metal rings???, several horse shoes, and more clay bricks that I care to admit. I think I've found where an old barn was on the property.
Once applied, a continuous firm grip is required.
I told my wife the same early in our marriage, and she took me at my word.