Here's a new video from Cleartone.
It features seven guitarists trying to tell the difference between traditional (uncoated) and Cleartone coated strings.
One of the Martin dreadnaught-style acoustic guitars in the video has Cleartone-treated strings. The other one has traditional -- uncoated -- strings.
As the video says, "Do you think you can tell the difference between coated and uncoated strings? Think again. Take the Cleartone Challenge and see for yourself."
For more about Cleartone, check out their official website.