Harahiko Kiln Matcha Bowls: Our Visit to Koishiwara, Japan
Our collaboration with Harahiko Kiln (ๅๅฝฆ็ชฏๅ ) brings handcrafted Koishiwara pottery matcha bowls from Fukuoka, Japan, to Luna Matcha. These bowls connect the practical pleasure of making tea with the people and techniques behind the pottery.
During our visit, we spoke with Mr. Kajiwara about working with clay, the uncertainty of firing, and the care required to send handmade ceramics overseas. Seeing that work firsthand gave us a deeper appreciation for every bowl.
What Is Koishiwara Pottery?
Koishiwara ware, or Koishiwara-yaki, is pottery associated with the Koishiwara area of Toho Village in Fukuoka Prefecture. Its appeal lies in the relationship between skilled decoration and everyday use: pieces that invite you to pick them up, serve with them, and make them part of your routine.
Harahiko Kiln describes its work as bringing traditional techniques into contemporary life. That approach fits how we think about tea at Luna Matcha. A handmade bowl can belong beside your morning latte ingredients just as naturally as it belongs in a quiet moment of whisking tea with water.
Tobikanna: The Rhythm Behind the Pattern
One of the techniques featured in our original visit is tobikanna (้ฃใณ้). As the vessel turns on the wheel, a tool makes repeated cuts in the surface, creating a rhythmic pattern. The spacing and character of those marks reflect the maker's handling of the tool and the clay.
Watch the process in our footage below. It offers a closer look at the handwork behind the finished surface.
What We Learned from Mr. Kajiwara
Our conversation with Mr. Kajiwara brought the less visible parts of pottery making into focus. A finished bowl represents more than the time spent shaping it on the wheel.
Handwork Sets the Pace
He explained that making pieces by hand limits how quickly the studio can produce them. Shaping, decorating, drying, glazing, and firing each require time and attention.
Firing Still Carries Uncertainty
In our conversation, Mr. Kajiwara described losing pieces to cracks during firing, even when using a modern gas kiln. Skill and experience guide the process, but they do not remove every risk.
Clay and Weather Are Part of the Story
He also told us that heavy rains had affected access to suitable clay, requiring deeper digging. We share this as an account of the conditions discussed during our visit, rather than a statement about the kiln's current supply.
Our interest in working with Harahiko Kiln grew partly from a desire to support Koishiwara's artisans after damaging heavy rains. Learning about the work behind the materials made that connection more tangible.
The Work Continues Through Packing and Shipping
Mr. Kajiwara discussed the challenge of protecting ceramics on the journey to the United States. His attention extended from sourcing clay to making and packing the finished pieces. For us, that care is an important part of the collaboration.
Why Choose a Katakuchi Matcha Bowl?
Katakuchi refers to a vessel with a pouring spout. For a matcha latte, that shape gives the bowl a straightforward job: whisk the tea with water, then pour the prepared matcha into a glass of milk.
You can also use it to prepare matcha to drink without milk. Choose a bowl for the way it feels in your hands, its interior space, and how you intend to serve the tea.
- For lattes: the spout helps direct the prepared matcha into your glass.
- For whisking: leave enough room above the liquid to move the whisk comfortably. A bowl's stated brimful capacity is not its recommended whisking volume.
- For daily enjoyment: choose a finish and shape you want to use regularly. Check the individual product page for dimensions and details.
Understanding Handmade Variation
Handmade ceramics can differ slightly in shape, size, glaze color, and pattern. The product photographs show the style of a piece, while the bowl you receive may have its own small variations.
Those variations should not be confused with shipping damage. If your bowl arrives chipped or cracked, contact us with photographs so we can review it.
A Careful Everyday Routine
Follow any care instructions supplied with your bowl. As a gentle default, wash by hand with a soft sponge and mild detergent, rinse, and allow it to dry thoroughly before storing. Avoid sudden temperature changes and abrasive cleaning tools. Check the product's instructions before using a dishwasher or microwave.
Bring Harahiko Kiln into Your Tea Routine
What we value most about this collaboration is the connection it makes possible: a bowl shaped in Koishiwara, chosen in Los Angeles, and used at your own kitchen counter.
Explore our bowl selection for available Harahiko Kiln pieces, finishes, and product details.
Learn more about the studio on Harahiko Kiln's official website (Japanese). The visit photographs, videos, and conversation described above are from Luna Matcha's own account.