The claims. Tyre Grip creates a "better grip on snow, ice, and slush" by providing "an adhesive surface that grips the roads." You spray it on tires, and it's supposed to work for up to 50 miles ...

Undoubtedly, special sprays are retailed that render shoe soles non-slippery ... rubbing the soles with sandpaper, then spray them. Albeit, its grip might not last long, so be prepared to repeat ...

Use a waterproofing spray to extend the life and impermeability of the shoe or boot. Just be sure to follow the instructions and avoid contact with any ornaments or hardware, because the spray may ...