At one of those amazing, ubiquitous farmacias in Barcelona, I picked up this handy little product, which resembles a tiny stick of deoderant but is actually so much more.
It's like what you'd get if a stick of Dry Idea had a three-way love child with Vaseline and a wax candle. And it's the answer to your prayers, if you've ever had a pair of shoes that were super cute but gave you blisters.
All you do is roll up the stick, slide it on your ankles wherever your footwear rubs or pinches you, and voila! No more problems. Because blisters are caused by friction. This stuff makes the blister-causing heel or strap just sort of glide comfortable over your precious skin.
Apparently, Spanish women are all over this miracle invention but are keeping it to themselves. I have never seen this product in the States anywhere, but here it is through a Spanish Web site, with its unsurprising five-star rating and cheers of "perfecto" and "muy practico."
BUT WAIT. Surely Amazon, which now sells every product known to man, can get me the hookup? Yes. Yes it can. Whew. Now I don't have to go back to Barcelona just for this.