I agree with both of you on using pineapple juice, I have used it on a keris, and it does work really well. I don't have a proper shop right now, so making the PVC tube would entail making a stand for it to hold it upright (I've been working out of my bathroom), but I like the idea. The tomato paste really does have limited uses, and it wasn't my first choice either, but it came in handy in this specific instance.
I'll try using the heat method to remove the handle - I always hesitate to take heat to a tempered blade, but I understand from your description not to overdue it.
thanks, tom
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