As a noun, the slang word for a sure thing or favorite is usually hyphenated as shoe-in.
To guide your foot through your stride by causing you to heelstrike. Our body's were made to strike with the fore foot first not the heel and striking with the heel can cause knee, hip or back injury
they are a type of shoe, smart one.
One place is Aldo. There are very cute shoes for about 20-80 bucks!
stiletto