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The collection, grouped by material and form — Czech glass, natural stone and hand-worked brass.

Czech Glass Jewelry

Using Czech glass gathered over years from countries around the world, each piece is set like a small stone — the mounting sized to fit, made in brass or silver. The glass and design are chosen by whatever feels right in the moment, so no two pieces share the same size or shape. Each one is different — please try them on for yourself.

Czech glass ring, worn
Czech glass rings and bracelet, worn
Czech glass rings, worn
Czech glass bracelet and ring, worn

Stone Jewelry

Natural stone, too, runs deep. Once I started learning what each stone was supposed to mean, it all became confusing — so now I choose every natural stone purely by feeling. I pick stones whose mood I love, in the moment, and make each piece in whatever way feels right at the time. So the design and size are never quite the same twice. Each piece is different — please try each one on for yourself.

Moss agate pendant, silver
Stone rings, brass, stacked
Stone ring, worn in water
Stone ear cuff, worn

Brass Jewelry

The more brass is worn, the deeper its colour becomes — the months and years spent on the body remain as texture. I love the character that comes with this ageing, and that's why I choose brass as a material. Neither too hard nor too soft, it's very forgiving to work — one of its charms is that it can be shaped freely to match whatever mood or idea I have at the time. Its colour sits close to gold, carrying both brilliance and quietness at once. It's a material with a long history as ornament, and it always carries a touch of an antique air. I think of brass as a material that, like the earth resonating with people, grows old together with whoever wears it.

Hammered bar earring, brass
Brass jewellery
Brass jewellery
Brass jewellery

Czech Glass Accessories

Czech glass, gathered over the years from countries around the world. I was captivated by how each piece carries its own pattern and colour. So that every chosen piece of glass stands out on its own, the rest of the accessory — the chain — is kept delicate and fine.

Material: Czech glass, surgical stainless steel 316

What is surgical stainless steel?
An alloy that rarely causes metal allergies and is highly resistant to rust — the same material used in medical scalpels and scissors.

It's fine to wear it in the bath, an onsen, the shower, or a pool. Afterwards, please dry it thoroughly with a towel. Because surgical stainless steel resists rust and tarnish, it's easy to care for. (Silver polishing cloths contain an abrasive, so we recommend cleaning it with a plain cotton cloth instead.)

Czech glass jewellery
Czech glass jewellery
Czech glass jewellery
Czech glass jewellery
Shop

Each piece is made one at a time — explore the full collection online.

Online store Instagram

Collections

Product shoots and collaborations, gathered by session.

SEATA

2026
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto
MASHU at SEATA, Kumamoto

Hikarie

2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024
Hikarie popup, 2024

Sea

2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023
Sea collection, 2023

Tanzawa

2022  ・  11.27
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022
Tanzawa shoot, 2022

Manika

Collection
Manika collection
Manika collection
Manika collection
Manika collection
Manika collection

Swans × MASHU

Collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration
Swans × MASHU collaboration