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The Long Arm
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The Story Behind the Longarm

Mary Haugh was desperate. Her husband had just suffered two heart attacks in three days, and she had to find a way to move the three groups of 3,000 pigs they finished in their barns each year.

One day Haugh noticed that the pigs hesitated whenever they passed by the red chase boards used in the barns. She paused and wondered if a length of red fabric could serve as a long, flexible chase board to turn the pigs toward the exit gate. When she tested the idea, the pigs turned every time. Two weeks after her first experiment, the first prototype was well underway. Her brother, Peter Jones, a mechanical engineering technologist and licensed millwright, designed the hardware so the fabric could retract.

Early designs used a broom handle to hold the far end of the fabric, but that feature was quickly revised because the broom handle kept dropping through the slats and into the manure pit. After further trial and error, Haugh trademarked her invention as the “Longarm.” It's a portable, retractable gate made of fabric that enables a single handler to clear any number of hogs from a pen or truck quickly and easily, she says. The use of crowding boards, electric prods and moving sticks has been eliminated. The moving red fabric wall creates an optical illusion that makes hogs want to move away from it, says Haugh. The Longarm is long enough to sweep up to a 50-linear foot swath of hogs at a time and only weighs approximately 30 lb.

The handle is made of stainless steel and attaches to existing gating by dropping a rod through the loops in the handle and the loopholes of a gate post. The fabric is attached to a roller with a tension equivalent to 14 lb. of pressure. When finished, the Longarm rolls up neatly on its plastic spool, just like a window blind that doesn't have a stop factor. The system was designed and tested to withstand the conditions of a hog barn. It can be cleaned with a 3,000 psi pressure washer with a wide angle tip used to clean equipment. It also meets Canadian Assurance Standards for biosecurity.


LMR Inc. creates devices that are innovative, functional and promote sustainability in agriculture. Producing tools that save on labour and manpower.