In the context of angling, a "flasher" is a type of attractor used to lure fish.
: These should only be used when a vehicle is stationary and causing a temporary obstruction, or to warn following drivers on motorways of an obstruction ahead. Fishing Equipment uk flashers
: Vehicle direction indicators must flash at a constant rate of 60 to 120 times per minute. In the context of angling, a "flasher" is