[Ruth Edwards]

He might be acting a bit territorial towards your hand. If you have a box or a basket, and your ham has to climb into it before you lift him out, you might find that if he's sitting on the sofa with you or in the play pen he's no longer interested in biting.
Daisy had a little kids shopping basket that I let her climb in before I carried her downstairs because she went through a phase of nipping and I was worried I might drop her.