How to fix scratch black polish piano

Repairs black piano scratches in a short time using traditional techniques. Use folded fabric.
I will soon sell a kit to repair piano scratches. Among them are "Tanpo(folded fabric)" and several types of sandpaper, black paint(Rock paint "Co-jet black"), UV putty, UV light, etc., including repair instructions and DVDs.

However, the DVD I am currently making may not be able to watch videos depending on the differences between overseas regions. For that reason, we are considering ways to play non-DVD movies. Also, regarding paints, there is a possibility that shipment from Japan to overseas may be prohibited, so it is expected that the contents of the kit will be changed.
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