Just Bento

There are some good YouTube videos on making tamagoyaki.
Check out some of these:
http://www.youtube.com/results?search_query=tamagoyaki&search=Search

Thanks for the links Bronwyn! I'll have a look at those to see if I can finally master tamagoyaki :0)

To be honest, I'm not sure I've ever seen a specialised onigiri (or sushi) press intended for this Hawaiian food. As I don't eat pork it's not something I've ever experimented with.

Because of this I don't know if you can press spam onto or into rice using a regular sushi or onigiri/omusubi mold.

The Japancentre in London does have inexpensive molds for sushi and onigiri
http://www.japancentre.com/?cmd=cat&cid=426
I'm sorry I can't guarantee that either the sushi press or the onigiri press will be suitable.

If I was going to try this myself (for instance, if I did eat pork and wanted to try combining spam and rice together to see if I liked it) I'd probably use a bamboo makizushi mat and some clingfilm/sarin wrap. I'd lay some clingfilm onto the bamboo mat, lay some rice on top of this, cut the spam into long thick pieces and lay it end to end across the centre of the rice. For me, this has always been the most successful method of wrapping rice around 'awkward' ingredients.

I have seen spam musubi molds, on cookingcute.com i think, but unfortunately I'm not quite sure where to get them, sorry.

You really don't need a mold for making spam musubi. Just make a square onigiri that fits a slice of Spam (the spam has to be panfried first, with a little soy sauce and sometimes a bit of sugar applied to the surface). Press the rice to the Spam slice. There are lots of instructions on the web for making Spam musubi. (I have to say that I really don't get what's so hot about Spam musubi...I think it's more of a nostalgia thing with people who grew up eating it in Hawaii! People in S. Korea and Okinawa like Spam too, for some reason, in stir fries and such. I just don't get it... ^_^;)

Daughter and I love spam musubis. In fact daughter will just eat fried spam on its own!! I have as I mentioned, been using the spam can as a mould (mold) but its a bit dodgy on the fingers! :(

I think I kinda had a result with tamgoyaki. Will try more at the weekend as my hubs is currently in the process of wiring in a new hob and oven for me. Does a square tamagoyaki pan make them any easier to make? just wondered as I'm currently using an omelette pan.
:)

Thanks bronwyn, looks like I'd be better sticking to my omelette pan then!