I have heard that before tried it once did not work enough though the vane was really messed up
ORIGINAL: DropTine249
If your veins are getting all banged up, just use a blow dryer or steam from boiling a little bit of water.
Heat the veins up, they will go back to normal.
I usually stick the fletch end of the arrow in the freezer for a second or two, that way it gets its rigidity back real quick.