Blisters

i saw this thing from band-aid looks like a little deadorant stick and you put it on your feet (looks like chapstick kind of substance) and its suppose to prevent blisters....
 
I bought Jimmy Choo Maya flats and they are not comfy, but I have no choice but to wear them , paid $350 ! Ouch. But now it's on sale at $175 !!!! double ouch :sad: