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      "quote": "Cap cracked; TWSBI replaced cap and barrel; nib bent during reassembly",
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      "likes": 14,
      "date": "2026-01-09"
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    {
      "source": "YouTube comment on The Nibsmith",
      "kind": "community",
      "value": 7.5,
      "quote": "Wants it as a daily user in fine nib; ease of cleaning is favorite part",
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      "date": "2015-07-22"
    },
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      "kind": "community",
      "value": 5,
      "quote": "Video relieved frustration prepping the pen for first use",
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    {
      "source": "YouTube comment on The Nibsmith",
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      "value": 7.5,
      "quote": "ECO seems a solid choice for the price; one of most affordable piston fillers",
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      "value": 4.5,
      "quote": "Had no idea how to fill it; included pictorial instructions poor",
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      "value": 6,
      "quote": "Just ordered first fountain pen; excited to receive it",
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      "likes": 1,
      "date": "2026-09-27"
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      "value": 8,
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      "value": 7.5,
      "quote": "Would recommend the TWSBI ECO over the Pilot Metropolitan",
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      "date": "2023-04"
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      "value": 7,
      "quote": "Makes writing a lot more enjoyable for me",
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      "value": 6.5,
      "quote": "Asks whether the TWSBI Eco is still a great first pen in 2025",
      "url": "https://www.youtube.com/watch?v=6bZ2SlpeRlI",
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      "value": 6.5,
      "quote": "Uses TWSBI Eco for scribbling notes to build muscle memory",
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      "value": 5.5,
      "quote": "Instructions included with the pen aren't the best; sharing what I found",
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      "date": "2023-09-25"
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      "value": 4.5,
      "quote": "Piston came apart in pieces; video needed to reassemble",
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    }
  ],
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    "cap cracked",
    "nib bent during reassembly",
    "piston assembly came apart during cleaning",
    "initial prep frustrating",
    "filling instructions unclear"
  ],
  "evidence_counts": {
    "videos": 5,
    "experts": 0,
    "owners": 1,
    "community": 15
  },
  "specs": {
    "Barrel Material": "Crystal clear acrylic",
    "Nib Material": "Stainless steel",
    "Cap Color": "Black with inner seal",
    "Trim": "Silver",
    "Filling System": "Piston",
    "Included Accessories": "Wrench, silicone grease"
  },
  "features": [
    "Piston filling system ensures consistent ink flow and easy refilling",
    "Crystal clear acrylic barrel allows users to monitor ink levels visually",
    "Solid black cap with inner seal keeps ink secure and prevents leaks",
    "Silver trim and stainless steel nib provide durability and smooth writing",
    "Includes maintenance accessories for long-term care and upkeep"
  ],
  "description": "The TWSBI ECO fountain pen boasts an incredible value with its piston filling system and affordable price. Like many other TWSBI fountain pens, it features a crystal clear acrylic barrel so you can see your ink level, and a solid black cap. The pen cap has an inner cap to ensure a perfect seal when stored away. It is completed with silver trim and a silver stainless steel nib.\nTWSBI's belief is that it is important to allow the user to disassemble and reassemble the pen and completely experience the traditional aspects of owning and using a fountain pen. These pens also come packaged with a wrench and silicone grease. Neither of these accessories are intended to be used immediately, as they are for long-term care and maintenance. Additionally, please use extra care if you choose to disassemble the nib and feed, as the feed is very fragile.",
  "researched_at": "2026-11-09T23:16:41.845+00:00",
  "delivered_price": {
    "how": "Ask for the price delivered to a ZIP: real shipping options from the store’s own cart plus estimated tax.",
    "api": "/api/v1/products/shopify%3AV5wf4dZK8QCsKQwMA6daM/delivered?zip=43215",
    "mcp": "get_delivered_price"
  },
  "explainers": {
    "level": "some",
    "ladders": [],
    "terms": []
  }
}