How do I keep my shoes from being so slippery?

I have some heels that are very difficult to dance in, but I can't get a new pair. The bottom seems to be made of rubber, and parts of it seem to be some sort of cloth, I can't tell exactly. I've heard of sprays that help, but the only one I can find is "Shoe Grip" and I've heard a lot of BAD reviews on that product. Does anyone know of any good sprays, or products, or advice in general that will help me have not-so-slippery shoes?

How do I keep my shoes from being so slippery?
i heard on the racheal ray show to spritz the bottom with hairspray. apparently it works but i havent tried it. or you can try those grips, they are like a strip, that fits into the bottom of your shoe and its grippy.



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