2 links
CHS: Smithsonian to Feature Rubboard Maker's Work
carencrohighschool.org
Brief interview of Tee Don Landry, whose father was the welder that assisted Clifton Chenier in the design of the first rubboard.
Key of Z Rubboards
keyofzrubboards.com
Tee Don, player and maker of the frottoir, offers history, tutorial videos, and online sales.