I love spinning yarn with medieval spindles but struggle to ply from them. So, I investigated what tools medieval people used to ply yarn.
Spindle Sticks Medieval Style Spindle Sticks Light Weight Hand Turned
How did common peasants/non-rich people make clothing in the ancient, medieval, and early modern world? How common was it for them to have a spinning wheel? - Quora
Historical Textiles Archives – Jillian Eve
eine Saite
Plying Yarn From Medieval Spindles & Thoughts on Historical Accuracy
Reproduction Medieval Spindles Spinning yarn, Spinning wool, Spinning wheel
Spinning Archives – Jillian Eve
Spinning Archives – Jillian Eve
Medieval Hand Spindle Preparation
How to Make DIY Spindle Whorls from Polymer Clay – Jillian Eve
8-Ply Handspun Yarn — A Cabled Crepe Adventure – Jillian Eve