DCHP-1 Online
flasher 
n. a bright piece of metal used to attract fish to a lure or bait.
- 1955 This was a fishing line almost as thick as a small clothes line and about one hundred fathoms long, equipped with two bent oblongs of nickel-plated metal, known as "flashers."
- 1961 Comfortably leading all other combinations as a Sun Derby prize-getter is the old herring dodger (flasher) and herring strip (or jack herring).
- 1955 This was a fishing line almost as thick as a small clothes line and about one hundred fathoms long, equipped with two bent oblongs of nickel-plated metal, known as "flashers."