Choose the type of environment where you want to trawl.
The Bridge Trawl is suitable to dangle off a bridge. Some of the design decisions to keep in mind are as following:
The Boat trawl is suitable to be pulled behind a motor boat, canoe, kayak, paddle boat or a sail boat! Some basic design tips are :
The shore trawl is suitable to be dragged along the body of water. It needs to have a long handle for better grip.
**Ocean waves make this trawl difficult to handle, this trawl is well suited for rivers, lakes and streams.