The Gledswood Yellow is a famous pattern from the River Tweed but is also has great success on the Northern rivers in these big sizes of size 4 and 6. This is a heavy weight hook designed for large Salmon on the Norwegian river such as Namsen, Alta, Lakselva, Gaula and the Orkla. Also used on the Russian rivers such as Ponoy, Kamchatka, Varzina, Kola, Yokanga and Varzuga,