Haydels Duck Compensator Wood Duck Call. Every squeal and whine a wood duck makes can be created on this call. The compensator is configured so that no hand manipulation is necessary to create the squeals however the rubber can be changed to create new sounds. Specifications for Haydels CW03 Duck Compensator Wood Duck Call: Manufacturer: Haydels Fabric/Material: Plastic Species: Duck Package Contents: Haydels CW03 Duck Compensator Wood Duck Call The Haydels CW03 Duck Compensator Wood Duck Call is a quality addition to the Haydels lineup. For more great deals on Duck Calls by Haydels please browse our Haydels Hunting Gear page. Haydels Duck Compensator Wood Duck Call CW03