Since it's summer time and Århus Possementfabrick A/S is closed for two to three weeks for summer vacation, I've had a really hard time tracking down a source for flagline. Luckily one of our DIS faculty had worked with Thomas Bruun Olsen who specialises in restoring all the classic woven chairs. His workshop is located in Hillerød, which is about 40 minutes to an hour outside of Copenhagen. He was absolutely wonderful. He took the time to show me how flagline is applied.