all i can tell you is what i would do. which may be different from what someone else might do. i'd give it a light hot wax and detune the contact point areas. 45 minute job and the board is squared up for quite a few days. i've sold a couple of these and did it for free as part of the deal.
no special tool needed for sharpening magnatraction edges.
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Try this trick and spin it, yeah
Your head will collapse
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