RJ Cooper demonstrates his creations
Sometimes all of the AT lingo gets confusing and it's foreign to many who are new to the field. This video of RJ Cooper demonstrates some of the tools that are often discussed and you can see them in action. Thought it might be helpful for some and it might give ideas to others out there who want to create some alternatives.
http://www.youtube.com/watch?v=RR8eGdZ1oEA