These are not just signed copies (Imagine you're reading this in a slightly out of date sexy woman's voice from a 1980's TV advert). Every signed copy of Hate Mail : The Definitive collection comes with a personally dedicated message to a recipient of your choice.
(Now back to a normal voice, don't worry too much about it, it can be your own voice if you want) When you view your cart, there is a signed copy dedication box in the bottom left. Just fill that in with any additional info about the recipient(s) and I'll see that they get some specifically personalised abuse.
If you want random abuse, just leave the box fucking blank.