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Your smartphone won't work! In times like these, the last thing that will save you is the cash in your wallet.
March 18, 2026
Why do cards and coins, which shouldn't overlap, end up forming a "heavy clump"? The theory behind the thickness distribution of thin wallets.
March 17, 2026
The history of the Tenuis3 Leather TL: Differences between then and now.
March 17, 2026
A comparison of the characteristics of Italian leathers: Toscano, Bulgaro, and Elbamatt.
March 16, 2026
Illustrated comparison: Differences in the structure of "thin wallets" from various manufacturers
March 16, 2026
Organizing and tidying up should be done "daily" rather than "periodically." The ultimate efficiency is not changing the location of things.
March 16, 2026
"Crowdfunding record of 44 million yen": Tenuis3 sets a new milestone.
March 15, 2026
Beyond "thinness," there's also "tap-free." The shortest possible movement of your wallet to shave off a second from your checkout time.
March 14, 2026
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