Leo, trying to cheer me up, jumped onto the lumpy cushions. Suddenly, he let out a sharp yelp and scrambled off.

“Dad, there’s something inside!” he screamed, pointing at the base of the seat.

I groaned, thinking it was a broken spring that had poked him. I reached my hand into a tear in the fabric, expecting sharp metal, but instead, my fingers brushed against something large, flat, and impossibly hard.