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You can also make two-piece plaster of Paris molds to pour various types of trolling weights, as shown in Fig. 133. These trolling weights are usually cylindrical or keel shaped and have eyes on each end, to which the fishing line or leaders are attached. When making a two-piece mold to pour such trolling weights, you must cut out grooves at both ends of the cavity to take such wire eyes or barrel swivels on each end. Such a mold for making trolling sinkers is shown in Fig. 134. The potato, wood, and plaster molds described above will usually last long enough to make a couple of dozen or so sinkers. If you want to make a permanent mold which will last indefinitely, make a plaster mold of the type you want and take it to a foundry. If you have any special designs you want made this is certainly the best procedure. However, if you want a permanent mold for a standard-type sinker you can buy a cast iron or aluminum mold in almost any fishing tackle store. They can also be ordered by mail from some of the supply houses. Such permanent molds are inexpensive and will last for a long time. Figure 133. Two types of trolling weights. Figure 134. Plaster mold for a trolling weight.
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