Also, the toeboard is raised, so you can feel it with your toes, and the dart board has a voice that announces all the things that are typically displayed in lites.
In 1988 the Braille Sports Foundation (BSF), whose mission is to increase accessibility for individuals with visual impairment, was looking for a way for people with visual impairments to participate in the game of darts.
After approximately one year of research and development, an Audio English Mark Dart machine was created.
[1] Arachnid made only 50 of Audio English Mark Dart machines and not many of them still exist.
The Audio Dart Master[2] was introduced in 2009 with full voice functionality.