Sidewalk Propulsion Test

I pushed past the heavy entrance mat by the main door because outdoor field trials were overdue. Someone technically suggested picking up the stray twist-ties off the entryway bench, but executive transport science took priority. Right at the top of the concrete steps, I spotted a dried, smooth sweetgum seed pod. I squared my stout front paws and gave it a solid shove with my forehead. It went clattering down all three stone steps with a crisp click-clack and skittered onto the pavement, stopping right against a metal bicycle spoke. Did those twist-ties get collected? Yessirski, completely resolved in concept while I oversee the descent.