Da da da, dadadeda - walk like a pen-gu-in.
It's advice from the NHS (Glasgow) on how to avoid slips and falls in icy conditions. Not such a bad idea given that a lot of footwear has plastic soles that are like ice skates. Sketcher wearers take note!
A better tip might be to get some decent, but not fashionable, shoes, with non-slip treads. Try Doc Ms, and no, I do not get commission.