本漆金継ぎからモダン金継ぎへ。From Real Lacquer Kintsugi to Modern Kintsugi. | ucacoceramics
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6月 29 2023

本漆金継ぎからモダン金継ぎへ。From Real Lacquer Kintsugi to Modern Kintsugi.


As a modern kintsugi instructor




Around 2019, I started giving personalized lessons to people who wanted to learn kintsugi alongside my pottery lessons.

It started as such a casual request from a customer who purchased one of my vessels.



At that time, I had acquired a minimum level of knowledge and could fix my own vessels, but I was not able to teach. For a long time, I was suggesting a teacher whom I myself went to learn from, and he said, “I would love to learn from you, Yukako,” and I gave kintsugi lessons with real-urushi lacquer, although they were really limited at the time.



However, I myself had experienced lacquer rashes several times, and for a combination of several reasons, either because I had experienced them myself, my customers had become busy, or I had begun to be overwhelmed with the production of vessels, the lessons naturally ceased.



I started learning Kintsugi with lacquer around November-December 2017, as I wrote in my previous Blog.




I had just decided to end my corporate life and began to have more time on my hands.

Until then, my main way of spending my limited winter vacation was to go to the snowy mountains and ski.



On weekends when I am not skiing, I enjoy making pottery. I was living my life as a company employee in such a way that I did not have enough time to go and learn kintsugi.



However, I decided to quit my job so I could have more time for both pottery and skiing, and I wanted to learn kintsugi before the snow fell, so I decided to attend lessons in Kamakura, which was close to my house.



Since he made various types of ceramics, he brought with him his own works that were <cracked>, <hanging>, and <cracks due to misfiring>.




Rather than starting everything on my own, I thought it would be easier to learn from a professional and have them teach me the key points, so I searched the Internet and did some preliminary study before attending the lessons.


In particular, I wanted to learn how to handle lacquer properly first, as there were concerns about rashes and other issues.




The original purpose,

  • 自分の作った器を全て直すこと。
  • 今後、破損が出ても悲しまないで済むように技術を身につけること。


To fix all the vessels I have made.
To acquire skills so that I will not be sad if damage occurs in the future.

I was.



That is how I fixed various types of damage.




Kintsugi with real-urushi lacquer cannot be completed in one day.

The first step is to glue the cracks with lacquer, which is quite difficult. (I will not go into the specifics of how to do this here.)




To avoid getting a rash, I wore rubber gloves and long-sleeved clothes to work with it.

At the time I started learning, I did not get a rash, and perhaps I had some kind of antibodies against lacquer.



I had no particular concerns about lacquer, so much so that I was only interested in kintsugi with real lacquer at the time.



When people around me learned that I was repairing my own vessels, they asked me to give lessons in what they called “simple kintsugi,” and I bought a kit and started practicing again (I already had a set for real-kintsugi), but I had a very hard time handling epoxy and ended up doing repairs with hon-urushi for a long time.



While it is difficult to scrape off real lacquer when it gets a rash, it is easier to scrape off dried-out pieces because it is softer than epoxy, and it was easy to flat up by sanding with water-resistant paper.



Therefore, I was not very good at “simple kintsugi” using epoxy or glue, because it was easier to finish a piece beautifully using real lacquer even if it took more time.



However, when I was undergoing radiation treatment and my immune system was weakened, I inadvertently developed a lacquer rash that covered every part of my body, and the itching was so severe that I could not sleep for days.



Nevertheless, damage to the vessel of my products.



So I bought a variety of epoxies, tried them out myself, and found one that was easy to handle, easy to find anywhere in Japan, and in stable supply.


I still like the epoxy and use it in my lessons and for my own repairs.



I actually eat and drink from vessels repaired with that epoxy.


I have been using it for several years and do not believe that there is any harm to my own body from eating or drinking from that vessel.



However, since this product is offered at an affordable price and has not been inspected by the Food Sanitation Law, which must be taken every few years, the manufacturer cannot say that it is OK for food use, and must be used at your own risk. We have no choice but to say, “Please use at your own risk.



However, when I called the manufacturer to inquire about the product, they were very polite and helpful and neatly explained the disadvantages, not the advantages. (I guess they thought I knew the advantages when I was already a repeat purchaser.)



This is just my personal view, but I believe that [an attitude of disclosing disadvantages in advance] is worthy of trust, whether it is an individual or a company.



However, since we are now receiving an increasing number of requests for all kinds of work, we are also using adhesives from manufacturers that meet [food sanitation standards] (and have submitted their products for inspection).


(This one is used at the request of the client to use one that has passed inspection.)



I have just started using it, but I mainly use it in my recent lessons.



When we inquired, the manufacturer here was very helpful in explaining various detail



Since the total number of vessels I have repaired myself does not compare to the epoxy I have been using, I cannot yet say which is better, and I use both on a case-by-case basis.



The possibility of repairing my vessels has increased dramatically because I no longer have to worry about rashes caused by lacquer, as I no longer use real lacquer, but a modern, easy-to-handle adhesive developed by scientists or engineers.



I am truly grateful that each manufacturer has developed adhesives suitable for tableware repair and allows us to use them.



I am very grateful that we have been involved in the repair of many of our participants’ vessels, which has increased our knowledge and experience in repairing all types of cases.



It is a pleasure to give lessons, as I gain skills every day that I could not have gained just by repairing my own vessels.



As for the new adhesive we are using, it seems to be a little different from the epoxy resin I have been using in terms of what is easy to bond, how long it takes, and how to deal with it.


The number of actual data on this issue is quite different, so we are still groping in some areas, but we would like to accumulate data on this issue.



When I repaired it myself, I was able to repair it as well as I could with epoxy resin, but I may not be able to convey the lesson as well as I could with epoxy resin because the way I convey the lesson to you is slightly different from epoxy resin.



I have much to learn from everyone who attends our lessons.



There are still things in the world that I don’t know, and I am very grateful to be able to learn about them.



I would like to digest what I have learned in my own way and use it for output.




Learning is an eternal pleasure in life.


I want to keep learning and absorbing all the time.



I would be happy if I could share the joy of learning with many of you.



I have not been able to offer lessons for children for a while, but we would like to offer lessons that clarify the fundamental purpose of the lesson, rather than just repairing vessels. (I hope it will be a chance to think about the meaning of repairing and using vessels.)



I believe that what you experience when you have the flexibility to absorb all kinds of things will come in handy at a moment’s notice when you become an adult.





This is important for both children and adults.




I believe that the act of “repairing and using vessels” is a highly spiritual act.

It is a custom that we Japanese have been accustomed to since childhood, as if it were a matter of course.











わかりにくく申し訳ございませんが現在はモダン金継ぎ専用のSNSアカウントをInstagramにて公開しております。@modern_kintsugi_ucaco    https://www.instagram.com/modern_kintsugi_ucaco/



2023年6月26日 ucaco





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