Key-of-Z Rubboards Pro/Custom Zydeco 22 Gauge Stainless Steel Washboard Percussion Instrument 19 inches Long X 13 1/4 inches Wide.The Authentic Original Pro/Custom 22 Gauge Washboard for the Professional Washboard player. The Key of Z Pro/Custom 22 is the board of choice for top players in the music business. I am proud to be a positive role model for other Rubboardmakers. They copy my designs and products but not the magic I handcraft into each board. Come get a piece of Louisiana Music History - Original boards by Key of Z Rubboards! Key of Z Rubboards AKA Washboards Frottoir scrub board are the original makers of the washboard as we know them today Tee Don is the son of Willie Landry who designed and created the first over-the-shoulder Frottoir for Clifton & Cleveland Chenier in 1946 in Port Arthur Texas. Key of Z rubboards is also in the Smithsonian National Museum of American History and many other museums around the world.