A device for macerating bait, making chum, or both is provided. The device has a main housing having a top openable end and a closed bottom openable end a removable lid attachable to the top openable end, wherein the removable lid comprises at least a fluid flow hole configured to, when placed in a fluid and towed behind the vessel, port the fluid to flow through the housing through bottom openable end and through the top openable end a push rod disposed through the removable lid a concentric cutting member attached to the push rod at a lower end of the push rod, wherein the concentric cutting member comprises a series of blades that are intersecting and have cutting edges on a top and bottom of the blades.A method of macerating bait is also provided.