Chinese Cricket Cages with Secret Openings by Frans de Vreugd Hardback, hundreds of photos, 2013, 132 pages, Very scarce. These small cages were used to keep crickets as pets and to transport them to cricket fights. There is an incredible amount of workmanship in a lot of the cages. This book focuses on collecting cages where the opening mechanism is secretly hidden. For collectors of secret opening boxes and those wanting an interesting new hobby. Hate to sell this ...