While visiting Germany from San Francisco, I found that a week's worth of hopping trains and…read morewalking on cobblestone streets left my feet an aching mess. A long morning run in Berlin's beautiful Tiergarten exacerbated the situation, but I had neglected to throw my trusty little spiky massage ball into my suitcase this time! So I went in search of some local running and sports stores. No luck there--they seemed only to carry clothes and shoes for male runners. By chance, however, I passed by Karstadt Sports on my way back to my hotel from the S Bahn. It was a chilly, rainy and very windy day, and I limped into the store as a windswept mess with low expectations. To my pleasant surprise, Karstadt Sports was well-stocked, and I found a 2-pack of the very same spiky yellow massage ball I have back home in San Francisco! Only €6 later, my feet were on the way to pain relief so I could continue exploring and enjoying the city. Best of all, the staff was so warm and lovely and made me feel very welcome in Berlin, as did most of the Berliners I encountered. Thank you so much for saving my feet and the rest of my vacation, Karstadt!