Barbed wire fences confine livestock through simple aversion ... the wires are interwoven as well as being reinforced with some form of a knot. Special crimped joints allow some flexibility ...

It’s there that he’ll tie a pile of New Zealand fence knots to wire insulators so he’s ready to go when grazing season hits once again. That was an example Kilpatrick, farmer education ...

Barbed wire production took off in the early 1900s ... SASCO, for example, sells fixed knot fences, which is barb-free but strong enough to hold up on widely-spaced posts; horse fence with tight ...