ECHO CALLS INC ODB Ducks Blue Pearl Single Reed Acrylic. This Game Call by Echo Calls is able to make Cajun squeals and bouncing hens with effortless ease. The Echo Calls Inc Old Dirty Breaker Call is able to reach out and carry a long distance. This call echo calls old dirty breaker call single reed blue pearl is designed to make very loud calls but still comes down to a soft close in quack. Specifications for ECHO CALLS INC 88003 ODB Ducks Blue Pearl Single Reed Acrylic: Manufacturer: Echo Calls Color: Blue Pearl Fabric/Material: Acrylic Species: Duck ECHO CALLS INC 88003 ODB Ducks Blue Pearl Single Reed Acrylic