I believe that Sal Glesser (sp?) once said that Spyderco tried to get CR to do a collaberation, but Reeve wasn't interested. I'd think that for a production knife like Reeve, a collaberation with another factory would reduce the demand for their own product enough to not be worth it. I don't think Zowada, Centofane, et al are losing any customers because of their collaberations because they're different segments of the knife market, but Reeve almost definately would...
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For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord.
Romans 6:23