Mitsuru Koga: Copper Wire Tree

Based in Kanagawa, Japan, Mitsuru Koga reworks everyday materials into quietly resonant objects that examine the relationship between nature, material, and human intervention.

Mitsuru Koga Copper Wire Trees | Tortoise General Store

Pivot Mirror

With a smooth-adjusting magnetic base and a size that feels stable both in hand and on a surface, this mirror combines everyday usability with subtle design appeal.

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Current & Future Happenings in store

Sashiko Introduction for Beginner Workshop with Sanae Suzuki - September 13, 2025 | Tortoise General Store

Sashiko Introduction for Beginner Workshop with Sanae Suzuki


November 22nd, Saturday at 10:30 am - 1:15 pm
Janually 11th, Sunday at 9:30 am - 12:15 pm
February 21st, Saturday at 10:30 am - 1:15 pm

Fee: $100 / person

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TGS Weekly Newsletter - January 10, 2026

New Arrival: Mitsuru Koga Copper Wire Tree

Just In: ANUNFOLD Bag

Hasami Porcelain | Designed by Takuhiro Shinomoto of Tortoise

HASAMI PORCELAIN

Designed by Takuhiro Shinomoto of Tortoise

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Sori Yanagi

The Iconic Post-War Industrial Designer for the Kitchen and Home

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Sori Yanagi - tortoise general store

Tenugui Cloth

Traditional 100% cotton, hand-dyed multi-functional Japanese textiles

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