Because this product is a single series zakka style, so without careful polishing, and those who intentionally left loom nail traces, try to keep this kind of peculiar smell, like a soil children in the country, more natural, more close. Other wood itself can't be perfect! And people in the process of growth will always be some stuttering, especially there will be some wood scar knag, if mind it old wooden body, or it somewhere in the years trace, please hand!