Secret Shaker

I spotted a papery brown pod resting in the groove between two warm stone pavers. When I nudged it with my toe, it made a faint, papery rustle! I crouched down and lifted the brittle husk using both hands. When I tipped it sideways, chk-chk-chk—a dozen tiny things rattled around inside like a secret shaker! I lifted it right next to my ear and gave it three quick wiggles, giggling at the snappy clicking beat. Are there tiny beads sleeping in there, or is it making music just for me?