I bought my key from my Pilates instructor at the local "Y" when she opened her new studio in New Jersey. While in Sweden this summer, I joined the local World Class gym and was lucky to find a "Yoga Goddess" who filled the room with a beautiful energy that one might describe as "comfortably disciplined". She instructed a challenging Ashtanga series and was helpful to all her yogis, even conducting her classes full of Swedes largely in English because I am not the best at understanding Swedish. Since I won't be back for another year, I gave her my key as a token of my gratitude for the experience she created. I have no idea if she needs the key's message "LET GO" or not, but she did spend 18 months in Los Angeles earlier in her life... so there's a touch of synchronicity at work at least.