I had to straighten a couple. Heat makes to process quick and simple. I was afraid I was going to break them by pounding on them.
Red hot and the section you want bends easily.
I do them on the bike because that is where they need to line up
Oxy torch where the bend needs to be with a really big ring spanner over the peg to do the levering with
Although it is a forging, no need to heat it past where it will give a bit of resistance to being bent unless you fancy yourself as Mulsiver ( as seen on the BSA old factory key stone )