How to Measure a Bipedle or Quadruple?

i didn't see a lot of bobbing or moving. It em pretty uniform, seemed almost i gliding end. The eyes ar back, looking at us again. Taved even a little longer. And then just after a little bit, it just kind of walked off, and that was the end of it. Ten it was a benighted time. That was walap portapes, pretty much. But ah, the nont be looked at us e little bet. I do' know, fo is i i an old block boster or something, maybe home made tevice. This thing was really loud, and emabi was startled. You heard like us branchis beaking