US Patent 9578862 Dredge with replaceable arms

A dredge having easily replaceable arms, a composite dredge which is configurable to laterally couple at least two hubs, and methods for using the same are provided. In one embodiment, a dredge includes plurality of arms having at least one teaser attachment and hub configured to removably retain the arms in a radial orientation. The hub includes a retainer cap configured to removably mate with a body in a manner that captures a first end of each of the plurality of arms to the hub in a cantilevered orientation. The arms are freely replaceable from the body upon the removal of the cap.