How do you differentiate a fishing line from its competition in a tangled market? Stren Fishing Line’s ability to stretch and sense the slightest nibble is what sets this product apart. The position, simply put, is that Stren lets you “feel” the fish. Offbeat TV spots like the dozens of singing fishermen on this site grabbed the attention of sportsmen across the country. Stren’s sales peaked. Print ads and promotions in all media provided a marketing foundation that has kept new customers literally jumping in the boat.