With my ATA kit I didn't need much heat at all, just to get the shins to close a little better.   A few threads which may be of help Crickets build thread has quite a few links to different pieces of armor which have been heated   First Torso Fitting: Back Plate Sizing, Kidney and Ab Shaping in Hot Water Bath Trimming and Hot Water Bath for the Butt Plate Hot Water Bath and Heat Sealing Iron to Improve Kidney Return Ab and Kidney 2.0- Hot Water to Shape T
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