Silken Thread

Source
This item can be purchased for 75 from:
 * in Duskwood
 * in Swamp of Sorrows
 * in Stranglethorn Vale
 * in Stormwind City
 * in Stormwind City
 * in Honor Hold
 * in Wetlands
 * in Wetlands
 * in Loch Modan
 * in Duskwood
 * in Alterac Valley
 * in Hillsbrad Foothills
 * in Hillsbrad Foothills
 * in Hillsbrad Foothills
 * in Duskwood
 * in Duskwood
 * in Stranglethorn Vale
 * in Stranglethorn Vale
 * in Redridge Mountains
 * in Hillsbrad Foothills
 * in Stranglethorn Vale
 * in Arathi Highlands
 * in Arathi Highlands
 * in Arathi Highlands
 * in Arathi Highlands
 * in Stranglethorn Vale
 * in Mulgore
 * in Redridge Mountains
 * in Redridge Mountains
 * in Durotar
 * in Durotar
 * in Durotar
 * in The Barrens
 * in Winterspring
 * in Ashenvale
 * in Ashenvale
 * in Ashenvale
 * in Teldrassil
 * in Darkshore
 * in Teldrassil
 * in Teldrassil
 * in Tirisfal Glades
 * in Tirisfal Glades
 * in Tirisfal Glades
 * in Tirisfal Glades
 * in Thousand Needles
 * in Dustwallow Marsh
 * in Dun Morogh
 * in Dun Morogh
 * in Alterac Valley
 * in Dun Morogh
 * in Dun Morogh
 * in Stormwind City
 * in The Barrens
 * in Durotar
 * in The Barrens
 * in Darkshore
 * in Dustwallow Marsh
 * in Tanaris
 * in Arathi Highlands
 * in Feralas
 * in Ashenvale
 * in Feralas
 * in Feralas
 * in Moonglade
 * in Feralas
 * in Feralas
 * in The Hinterlands
 * in Mulgore
 * in Dun Morogh
 * in Westfall
 * in Desolace
 * in Winterspring
 * in Felwood
 * in Swamp of Sorrows
 * in Moonglade
 * in Desolace
 * in Desolace
 * in Eastern Plaguelands
 * in Western Plaguelands
 * in Western Plaguelands
 * in Silithus
 * in Azshara
 * in The Hinterlands
 * in Silithus
 * in Eversong Woods
 * in Silvermoon City
 * in Silvermoon City
 * in Silvermoon City
 * in The Exodar
 * in The Exodar
 * in The Exodar
 * in Azuremyst Isle
 * in Zangarmarsh
 * in Eversong Woods
 * in Hellfire Peninsula
 * in Hellfire Peninsula
 * in Hellfire Peninsula
 * in Hellfire Peninsula
 * in Shattrath City
 * in Shattrath City
 * in Shattrath City
 * in Shadowmoon Valley
 * in Blade's Edge Mountains
 * in Shadowmoon Valley
 * in Shadowmoon Valley
 * in Zangarmarsh
 * in Blade's Edge Mountains

Silken Thread as currency
Fei Fei Doggy Treat (used in the quest Digging for Prayer Beads) can be purchased from Warrant Officer Tracy Proudwell for.

Silken Thread as an ingredient
This item is used to make: