- Name: Jasper de l’Estoile
- Project Title: Giving Balls to the Girdle Purse
- Location: Barony of Stonemarche
- EK Wiki page: https://wiki.eastkingdom.org/wiki/Jasper_de_l%27Estoile
- Website/Blog Link: https://www.jwas.dev/jasper/giving-balls-to-the-girdle-purse/
- Category: leatherwork / textiles
All throughout our time period belt bags were seen, and as we get later in years the kidney pouch appears to be everywhere. The suggested design of this ubiquitous item doesn’t make sense given the value of leathers, and the utilitarian purpose of the item. I have a theory that the extant examples and the drawings of the item reflect the environmental shaping effects on the item, and not the original construction of the item.
I intend to demonstrate that an efficient rectangular pattern and pouch usage will produce the same kidney shape we see in extant examples of the kidney pouches. This will include actual construction of kidney pouches and subjecting them to various levels of environmental exposure and usage.
From there I will explore reasons that could lead to the adoption of a pattern that can waste >30% of the source material.
The expected areas for exploration:
- What other products were being produced from the same leatherworkers?
- Was there a resource constraint that prevented the efficient design, like hide size or quality?
- Was there a traditional source that the leather kidney pouch replaced, such as using stomachs or bladders?
- Was the shape a status symbol as much as the adornments were?
This project was prompted when I went looking for a belt pouch pattern to make some new pouches for my household, and saw how much leather scrap the available patterns would produce. In modern leathercraft getting 85% utilization out of a hide side is pretty average after trimming around tanning marks and hide defects. Losing another 30% to inefficient patterning was too much to just ignore. To illustrate the absurdity, a hide side today is $200 for an average 25 square feet, throwing away 8 square feet or more ($64+ worth) just feels senselessly wasteful, especially when a more efficient pattern could yield an additional 1-2 pouches per hide side. This illustration doesn’t include the additional labor costs and production complexities of curvier kidney shaped pattern design.