Reviving an old Dremel Moto-Tool and Flex-Shaft - YouTube
Dremel Rotary Tool Flexible Shaft Attachment - Power Townsend Company
Amazon.com: Dremel Flex Shaft Rotary Tool Attachment with Comfort Grip and 36” Long Cable - Engraver, Polisher, and Mini Sander- Ideal for Detail Metal Engraving, Wood Carving, and Jewelry Polishing , 225-02 ,