Abstract: For regularly encounterable walking shoes environments typically having a treaded lower-base and an overlying foot-rest surface, disclosed herein are visual warning devices respectively extending loftily vibratorily helically above the foot-rest surface and topically carrying a visually bright ornamental feature. The bright ornamental feature (preferably of bulbous shape) is alternatively provided as: of self-luminescent characteristic; or alternatively, as an electrically-powerable incandescent bulb powerable from a chemical storage-battery that is rearwardly removably attachable to the walking shoe environment.