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Retired ski poles from recycle centres, Downside is they are one piece and can bend if they take a solid hit, upside they are cheap and can handle a good load, offer bit of hand protection too , A...

I use a pair on anything longer than a day walk, or if it is steep/hilly.
A godsend with a decent load on your back.
Only place I don't use them is in tight bush or track clearing, you get tangles...