I have spoken to a selection of stockists of similar items and none has heard of Farrier & Mack.
Classic Canes has two models similar to your description.
The Trio maxi seat stick’s legs are polished aluminium, the seat is plastic and available in green, black or brown. Its overall height is 84cm and it can take up to 191⁄2 stone.
It is practical and durable and costs £48. The Classic Canes tripod (pictured), which costs £110, has a tan leatherboard seat; the stick is 89cm high and the handle covered in pigskin.
Call Classic Canes on 01460 78222.
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