Dynamic Sharpie by ULTRAMantic Rama Yura You can come with many

You can come with many new ideas with this new concept

Ammar Demonstrates Jay Marshall's Bit with Cups

it contains subtleties that bring it into the mind-blowing realm

finally we created the Super Holder

but no luck

Dynamic Sharpie by ULTRAMantic Rama Yura You can come with manyInnovation at your fingertips! Just imagine, anytime, anywhere, even from a distance, you could control a pen with your mind. It could roll back and forth freely on a hard, smooth surface, and stop at any position at will. How incredible is that? After hundreds of days and nights of effort, we have achieved a highly integrated design with no openings in such a narrow pen barrel space. We've finally made it happen! Just need to bring a Sharpie when you