There are quite a few of these they are very thin and its hard to clean them without breaking them, I guess if they threw harness in there ought to be some stainless buckles as well?
Graham, a wire brush should be far from your tool of choice if you wish to preserve any of these items. I suggest a less mechanical technique along with a little patience:
For heavily corroded items and especially assemblies, including ferrous parts, such as various steel alloys, cast iron etc. I strongly reccomend dumping them in a solution of Deox-C or other similar chelating product. Place in a solution and keep it at about 30-40°C and you will be amazed at the results. Doesn’t harm skin, plastic, chrome, rubber, firmly attached paint etc. For example takes about six hours to turn a heavily corroded car brake caliper support frame back to solid base metal. (agitating with a nylon brush every hour helps too)
It’ll strip very heavy oxide layers from impossibly corroded items and leave just the solid base metal, pits and all. Leaves parts with a uniform grey colour. Can make an assembly fall apart with ease as opposed to brute force. The only catch is, it’s best for parts that you can immerse and it doesn’t work on alloys, though does remove scale associated with ferrous parts in contact.
http://www.bilthamber.com/deoxc.html
Pretty cheap too.
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