seasons when ice thickness and strength can be questionable.

Materials and construction

The ends of a digging bar are shaped for various purposes. Typically, each end has a different shape so as to provide two different tool functions in one tool. Common end shapes include:
* Blunt -- a broad, blunt surface for tamping.
* Point -- for breaking hard materials and prying.
* Wedge -- an unsharpened blade for digging, breaking and prying. A San Angelo bar has a wedge at one end.
* Chisel -- a sharpened blade for

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