Amazon.com: OKSs Kit de limpieza Katana de espada, contiene aceite de choji, martillo de cobre, gamuza y bola Uchiko, 2 pares de clavijas (Mekugi), aplica para cuidar las espadas samuráis japonesas :
Samurai Katana Sword Maintenance Cleaning Kit
Uchiko - Sword Polishing Powder Ball
How to Clean a Japanese Katana and Saya (Sheath) - Dengarden
I am planning on buying this katana from Mini Katana and I was wondering, is it really necissary to use an uchiko ball to clean the katana or can I use a