Zydeco Washboard"Purple & Yellow Tiger" Key of Z Rubboards Free Scratchers Frottoir Scrubboard Zydeco Washboard Percussion Instrument Hand Made Louisiana Made By Tee Don Authentic Original Welcome to Key of Z Rubboards. Often Imitated,never Duplicated. The Authentic Original Rubboard since 1946. Handcrafted to perfection by a french speaking Cajun in deep south Louisiana USA. Ribbed playing surface 13 inches wide X 21 inches long Special rib bending process used for that one of a kind Key of Z Resonate Sound. Much time and effort is spent on hand smoothing and polishing all edges