After viewing this rug, I learned something new about Japan. The term mottainai which translates to "don't waste". Recycling should be a big part of our society and this rug reflects this sentiment.
The description card reads:
Okszaki City, Aichi-ken Japan
The Japanese idea of mottainai ("don't waste") is now known worldwide. I hope the spirit of a frugal lifestyle of giving new life to a disused article and of thanking will always spread. The materials used for this rug were all recycled wool."
A close up of some of the stitching work.