Curtis, it's important that you are "Cutting" to avoid the "dust" problem with any wood, including very hard species like locust. That means rubbing the bevel, even in a shearing cut like I originally mention. Wally also talks about this in one of his posts above, too.
This is one of the things I inherently have against the term "scraping" because that activity, if done correctly, is actually cutting. A properly prepared and used "scraper" will also provide nice, fine, curly shavings. If one is getting "dust", something is not right, either with the tool or the technique.
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The most expensive tool is the one you buy "cheaply" and often...