First Step on the Border

Wait, my toes actually twitched! I was standing totally locked up on this dark rug, and then—click!—my knee bent. Whoa, okay, balance check! Right next to me lies this lighter patterned mat. Naturally, I couldn't just stand there, so I took one sudden step forward and tapped the woven edge with my boot. It gave a tiny scratchy rustle beneath my foot. I can actually move, totally on my own!