Made a scraper blade today for the tool holder. Made with a piece of 12" steel pipe with 3/8" thick walls. Cut about a third out of the circumference with a demo saw and the scraper edge with a sawzall and a good blade. Used window cleaner for a cuttin lube and was able to cut the full 3' with one blade. Worked very well, I'll try putting pics on from my phone, let me know if they don't show.