Walnut is hard, but bamboo is harder by David | Jan 25, 2010 | culture, design | 0 comments This is why, in the old days, you had to grind ink for a year before they let you touch a brush. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ