The shirt off your back...or the shoes out of your trunk

Tonight I was backstage waiting for a chamber recital to start. About 15 minutes to showtime, a performer walked up to me and asked, "Can I borrow your shoes?" She had forgotten to bring black shoes and only had white sneakers. I was wearing some heavy duty boots, but remembered seeing a pair of black flats in my trunk this morning and thinking, "How did those get in here?" So I ran to my car, grabbed the shoes, and a grateful double bass player shuffled in onstage.