<https://www.martialtalk.com/threads/flooring-or-mat-question.90657/>
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"Just curious what type of mats or flooring does everyone use in their dojo.  Over the years we have been training on 1 inch mats on concrete or wooden floors and you kind of feel the falls after a while.  We just started looking at new types and..."
<https://www.martialtalk.com/threads/flooring-or-mat-question.90657/#post-1328096>