Arlesey Bomb
Encyclopedia
The Arlesey Bomb is an angling weight developed by Richard Walker
Richard Walker (angler)
Richard Stuart Walker was an English angler.One of the first to apply scientific thought to angling, 'Dick' Walker wrote many books on the sport. He also wrote for the angling press, most notably for the Angling Times...

 at the lake in Arlesey
Arlesey
Arlesey is a small industrial town and civil parish in the district of Central Bedfordshire in Bedfordshire. It is located on the border with Hertfordshire, about three miles north-west of Letchworth Garden City, four miles north of Hitchin and six miles south of Biggleswade. Arlesey railway...

. It is tear-shaped, with a loop at the top to attach the line. Its shape makes it aerodynamic
Aerodynamics
Aerodynamics is a branch of dynamics concerned with studying the motion of air, particularly when it interacts with a moving object. Aerodynamics is a subfield of fluid dynamics and gas dynamics, with much theory shared between them. Aerodynamics is often used synonymously with gas dynamics, with...

to cast, but unlikely to snag on the river or lake bottom. The incorporation of a swivel also prevented the line getting twisted.
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