the crovel? seems suspiciously similar to the supposedly Chinese special forces shovel. about the same price too.
there are a whole bunch of these odd ball tools of a similar nature out there. I have even seen Youtube videos of people making their own in various flavors. I think of them mostly as novelties.
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Warning - I am not an expert on anything having to do with this forum, but that won't stop me from saying what I think.
Bob