I've used a pac saw like this one for 33 years. The blade is stout enough for elk ribs and vertebrae. Mine could use a sharpening. But I've never cared for the leather sheath--too heavy.

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If I were to get another for hunting I'd get a folder like this:
http://www.cabelas.com/product/SILKY...8.uts?slotId=2

The bright colored handle is a plus.