Scuff the soles on abrasive surfaces. If your slippery shoes are a new pair, there's a good chance that they're slippery.
New shoes especially are more slippery due to their perfectly smooth soles, so wearing them down will make a noticeable difference.
If your shoes have a plastic or leather sole, the chances that you'll be To make the bottom of your heels less slippery then we'd suggest the.
But do you ever look at the sole of the shoe (Louboutins not withstanding!) to determine if they'll be slippery or not? Nope! Because why would.