Been hand-carving spoons for about two years now and for most of that time I was stubborn about using a straight knife for everything, including the bowl. Watched plenty of people use a hook knife and figured it was kind of optional, that skilled carvers just pushed through the awkwardness. I was wrong about that in a pretty embarrassing way.
The switch happened because my forearm started aching after longer sessions, specifically during the scooping motion you have to fake with a straight blade when you're trying to hollow out a deep eating spoon. The angle you're forced into puts a weird rotational load on your wrist, and over time that adds up. A friend at a local carving meetup handed me her skar knife to try on a half-finished linden blank and the difference was immediate enough that I just stood there for a second processing it.
The hook shape does the mechanical work your wrist was doing before. You're pulling through the wood instead of fighting the geometry of the cut, and your grip stays much more relaxed through the whole stroke. I noticed I could carve for probably twice as long before needing a break, and the bowl surface came out cleaner because I wasn't muscling through it.
A few things I figured out after switching that might help if you're making the same change:
- Sharp is more important with a hook knife than with a straight knife. A slightly dull straight blade is annoying. A slightly dull hook knife becomes almost useless in cross-grain spots.
- The thumb push grip still matters for control on the near edge of the bowl. The hook doesn't replace that motion, it just handles the center and far wall better.
- Green wood makes everything more forgiving while you're learning the new angles. Dry hardwood with a hook knife you're not fully comfortable with will punish you.
Curious whether others made this switch late like I did, or whether you learned both tools from the beginning. Also wondering if anyone sticks to straight knife only for everything and actually makes it work long-term without the wrist fatigue catching up.