Do I need both a drawknife and spokeshave?

Q: A spokeshave seems to be the little brother of a drawknife, and I've seen both used to make spindles. But do they work the same? Should I add both to my tool collection?— Dennis Royster, Camden, N.J.

Drawknife - Wikipedia

Drawknife Basics: The Surprisingly Versatile Hand Tool You Should be Using

Tool Tuesday; Draw knives and spoke shaves

WOOD - September 2015 USA, PDF, Woodworking

Understanding and Using Drawknives and Spokeshaves

Draw Knife 5 Curved Draw Shave Woodworking Tool (Curved-5 inches) : Tools & Home Improvement

Using Drawknives - Australian Wood Review

Old Fashioned Wheel Spoke Shave Draw Knife

Shape Wood Fast with a Spokeshave