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My Case Mini Copperlock is turning blue!

Actually just one blue spot has appeared on the bolster of my Case Mini Copperlock. This is not an EDC knife. I generally carried it once a week. I carried it in a small velvet lined buckskin sheath in my pocket. When in the sheath, the knife would be exposed to a narrow strip of buckskin at the seam. Could this be the cause of the blue spot? Or could anyone suggest what else the cause might be? I have some Simichrome polish. Would this be a possible way to remove the blue spot? I don't want to further damage the knife.

Any help would be appreciated.

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Permalink Reply by J.J. Smith III on October 7, 2014 at 15:49

Was the sheath glued or just stitched. The chemicals used in the tanning process could cause discoloration, but that looks more like a stain from exposure to some other kind.

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FeaturedPermalink Reply by Charles Sample on October 7, 2014 at 17:19

It looks just stitched to me.

J.J. Smith III said:

Was the sheath glued or just stitched. The chemicals used in the tanning process could cause discoloration, but that looks more like a stain from exposure to some other kind.

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Permalink Reply by Jan Carter on October 7, 2014 at 17:54

A stain from the dye in the velvet? Simichrome should take the best part of it out. you may have test it on a small spot and repeat it a couple of times.

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Permalink Reply by Howard P Reynolds on October 8, 2014 at 0:31

Charles,

Might be oils in the leather, but any of the metal polishes should work - Simichrome, Metal Glo, Flitz, etc. Not sure why just one spot would be affected, except if the end where the spot is, is the end that went in the sheath/pouch first and maybe was a little tighter on the bolster, being at the far end of the pouch.

Maybe some Renaissance Wax will cure the problem.

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FeaturedPermalink Reply by Charles Sample on October 8, 2014 at 1:14

Applied some Simichrome to the bolster and buffed it. The spot is now gone. Also noticed a similar spot starting on the bolster on the other end. The Simichrome removed it too.

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Permalink Reply by Sue OldsWidow on October 8, 2014 at 11:47

should come off with some tender loving care with Chrome polish .....finger print oils can do that too!.....

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Permalink Reply by Howard P Reynolds on October 8, 2014 at 12:04

Here's a tip that won't work for a Mini Copperlock, unless you can palm a basketball, but might for a smaller knife like a Peanut or Butterbean. Cut one of the fingers from an old pair of split-leather "cowboy"/ranch gloves - the ones with the draw string on the wrist. Nice leather pouch, and usually one finger will wear out before the others so when you change to a new pair, save the fingers of the old pair for knife pouches. Of course, by the time you retire the split-leather gloves you probably have more than just tanning oil in the leather. However, it has worked for me.