Finger Callus Trainer
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If you are a guitar player that stopped paying for a while, this tool can help you regain calluses without much pain.
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Model information
- Source
- Printables
- Category
- Other Gadgets
- License
- Creative Commons — Attribution — Noncommercial
This small, easy-to-print device helps rebuild your fingertip calluses in about a week. Just place it on your desk, press your fingertips against the ridges, and let it do its thing.
I went from barely being able to play guitar for more than a few minutes because of the pain to having no limits a week later. My calluses came back, and the strings feel comfortable again.
I used it for about 10–20 minutes a day—basically until my fingertips felt slightly numb and tired (in a good way 😄). That did the trick.
You can even use it at work while you’re on the computer—train your fingers while you type.
Print flat with ridges upwards.