We cut the upper end at an angle so that the moisture does not accumulate.
Pillars of alphabet or metal pipes. They are much more practical and durable than wooden, but voids should be filled with cement mortar, since moisture will be collected in these voids, from the middle, frozen water will crush the poles. Close on top with tarry wooden traffic jams. In this case, the lags require a more powerful fastening. They can be attached to brackets and clamps.
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