I just tape the card onto the harmonica holder. In some models you can slide it in.
There is just one type(size) available in the retail stores where I live. I guess the smaller it is, the better. Since MBLD exec goes from 10-30 minutes, we do not want to be uncomfortable with a big harmonica holder.
This is the one I bought from Amazon. I disassembled it and removed the spring mechanism. It currently uses a sheet of stiff card stock but I plan on getting some laminated paper with magnets glued to it to use in the future
This is the one I bought from Amazon. I disassembled it and removed the spring mechanism. It currently uses a sheet of stiff card stock but I plan on getting some laminated paper with magnets glued to it to use in the future