Sadhu boards made of natural oak with copper nails are the right choice for advanced yoga meditation practice.Something from chemistry lessons: Copper nails do not rust, by the way, just like the galvanized ones. From physics: copper is an ideal conductor, not only of...
Sadhu boards made of natural oak with copper nails are the right choice for advanced yoga meditation practice.Something from chemistry lessons: Copper nails do not rust, by the way, just like the galvanized ones. From physics: copper is an ideal conductor, not only of...