How to fix a warped Deba

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You said it yourself. The knife isn't worth enough to send to Jon for fixing. It's the perfect one to try his method on and get practice. That way if this happens with something alot more expensive down the line you know what to do :p
 
I used blowtorch to heat up the blade for about 60seconds and hammered it a bunch.

Jon has kindly given very specific advice:

watching the thread is really hard for me... a lot of the advice in here is the polar opposite of everything i have learned in Japan.

That is to say you must freeze the deba and then use the non-bent part of the deba to caress the hammer :p
 
You just need a bigger hammer.

I know people are kind of being jokey, but its worth keeping in mind any given weight
used a little more precisely is a viable alternative....

John's advice was to use a properly shaped hammer (such as a chisel point)
to put more force onto a smaller area,

AFAIK these are typically lighter hammers (300g) vs
heavier (1-2kg), even a standard hammer is 500g
 
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