I think the idea is that the spouse wants to "hand make" something for him. Maybe so he has something that she made for him.
You may look at this site and look at the different hats that are knitted or crocheted. I think that the beanie or some kind of skull cap would work.
hats
disclamer: I just did a search for "crochet hats", and don't know what you are really looking for, and I have never knitted or crocheted so I don't know if these work or are easy or anything.