How to clean, lubricate, and unscrew Bear OPS Bear-Song IV Butterfly Knife B-400-S?

I just want to know the tools I will need to take apart the knife and to lubricate and clean it, also step by step how to do these things. or:I just w

I just want to know the tools I will need to take apart the knife and to lubricate and clean it, also step by step how to do these things.

or:I just want to know the tools I will need to take apart the knife and to lubricate and clean it, also step by step how to do these things.

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