It works by having lawyers :) And we'll, there seem to be ready to use libraries, you can use without signing the NDA: https://github.com/search?q=fit+garmin&t

It works by having lawyers :) And we'll, there seem to be ready to use libraries, you can use without signing the NDA: https://github.com/search?q=fit+garmin&type= https://github.com/search?q=fit+garmin&type=