The abrader is a bit rough, and because some different directions in different places, it leads different glistening. Good polishing on tip!! 磨石还是有点粗,另外因为有些地方磨的方向不一致,导致反光较乱,剑尖磨得不错!!
abrader
[ noun ] a tool or machine used for wearing down or smoothing or polishing <noun.artifact>