Yamaha Grand Piano pedal pumping in my extra pair of King's KWS800 Safety Footwear

I made my final purchase after having the same pair at offer price online (final stock). So I wasted no time and made the purchase. Now, fresh from the box, I tied up the shoelaces, went to the piano and started stepping upon the piano pedals - It felt so heavenly there's no better way to express as I started rubbing my "thingy" that started erecting...