Rob Stevens
Wooden Canoes are in the Blood
Video of paddle making showing use of two types of sanding drum, both rigid cylinder and flexible pneumatic. Start in about 8:60 to see both.
Rigid cylinder vs pneumatic flex
https://www.youtube.com/watch?v=5dmwnb0FzFk
Rigid cylinder vs pneumatic flex
https://www.youtube.com/watch?v=5dmwnb0FzFk