A Hyde Tools pro demonstrates a great tool for scraping contoured areas and tight channels on moldings or other surfaces This scraper comes with six quick-change blades featuring 12 different edge shapes and sizes. Whether concave or convex, there's a contoured edge for anything you can imagine. Available on Amazon.com. http://amzn.to/contourscraper
Products in video: The full HYDE® line of putty knives and scrapers
This one has an overmold handle, that one does not. This one has a stamped blade, that one's ground and has a beveled edge. This blade's stiff, that one's not, and why are the other ones made of stainless steel? This video explains why there are so many types of putty knives, scrapers and joint knives – and how to choose one.