This rich and dark black linen thread is the go to choice for just about anything. Just like in clothing, black pretty much goes with everything and
Waxed Irish Linen Thread 12 Ply - TinkerCrafts
Waxed Linen Thread 5 ply
Gutermann Black Linen Thread 50m (7202)
Waxed Linen Thread - Viking Leatherwork - Jewelry Making
Waxed Linen Thread identityleathercraft
Colophon Linen Thread – Hiromi Paper, Inc.
Waxed Linen Thread - Black 100m - The Raffia Connection
100% thin linen thread spools, 500 m.
Londonderry Linen Thread (50/3) - White (#90) – Snuggly Monkey