TS25 – Two Clogmaker rulers, Vosges region, France, late 18th – early 19th Century, Chestnut and Walnut wood, Lg 13” and 14 ½”, The ruler is used only to deter­mine the inside length of each shoe, 
Source, EAIA the clogmaker: https://eaiainfo.org/the-clogmaker/
Deux Toises de Sabotier, Vosges, France, bois de noyer et chataignier, fin 18ème début 19ème siècle.