In article ,
says...
am I
right in thinking they serve no other purpose than to let you get more lines
in the water?



Yes and no. It does aid in getting more lines in the water however the
purpose is leans more to making your spread look like an attractive
school of bait fish rather then one or two lonely lost sardines
wandering around the ocean.

--
Mike G.
Heirloom Woods

www.heirloom-woods.net