New Transparent Woodgrain Finishes! Posted by timgillespie on Posted in: Uncategorised. These cajóns are finished in transparent coloured wax, which shows the grain of the birch beautifully. Black and blue as shown here are available now in the shop section. More colours soon! Trans Blue / Natural Trans Black Share this!FacebookTwitterEmailPinterestShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Posts navigation ← Custom finishes