Keywords: Yarn twist S-Left Z-Right.svg Twist in spun yarns or ropes is often labeled S-twist or S-laid for left-handed twist and Z-twist or Z-laid for right-handed twist due to the respective left and right of the central sections of those two letters To visually determine the handedness of the twist of a rope/yarn/etc sight down a length of it; the direction of the twists as they progress away from you left or right reveals their handedness Yarn_twist_S-Left_Z-Right png 2011-04-23 04 46 UTC Yarn_twist_S-Left_Z-Right png Yarn_twist png PKM derivative work Dfred <span class signature-talk >talk</span> derivative work Gregors <span class signature-talk >talk</span> 04 48 23 April 2011 UTC Rewdrew pixel png as vector svg Gregors Yarn_twist_S-Left_Z-Right png Rope diagrams Left Right Yarn Twine |