Pen holder for invention notebook

Stick-on spandex pen holder for invention notebooks.  Always be prepared!

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Everyone needs an invention ideas notebook.  To document, capture, brainstorm, note progress, work out steps for a project, etc.  And every good invention notebook needs a pen holder.  Some people like the elastic strap type, but that gets hung up on things.  Nothing beats a stick-on spandex-style slipper pocket.


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