It is a bad idea to shape the end of a spindle too close to the 90 degree mark with a skew. In fact, for me, I shouldn't do more than round off the curve at the end to about 45 degrees or so with a skew.
How many attempts to shape my handle end did it take me to learn this? Once? Nope. Twice? Nope. Surely, by the end of three attempts resulting in butchering a bit of my end I learned not to do this. Nope, I tried a fourth time, had the same result of the skew riding up onto the rest of my handle. Then I just cleaned up the mess and decided to take a break.
I've lost about 4" of handle length from my stupidity. I did compare one of my Harbor Freight chisel handles to what is left of the handle I am working on, and it looks like the one I am working on will be just about right, but won't leave any extra.
Oh well. Free wood, utility project, it'll still work, so cheap lesson.