BUY BRITISH: The Kendal Black Irish is a British made Twist tobacco made up of predominantly dark fired leaf with the addition of a small percentage of dark air cured Indian leaf. The more X's in the name the thicker the twist so this is a pretty heft rope.
Black Twist Black twist is made from Brown twist, which has undergone a further process of cooking under pressure, which turns it black. This cooking process in the Black Twist removes some of the stronger tar and nicotine elements, which produces a less intense smoke than the brown twist but still has a strong intense flavour and wouldn't be recommended for the beginner.
Irish Twist: Irish twist is the thickest twist which is generally preferred by pipe smokers but can and is often chewed