[RichW]

What si the second thing each of them have in thier left hands, with what looks like another power lead? Umbilical backup light?

Gareth and Helen, you are a lucky sods and I hate you, but the situation wil be reversed when I'm there isn 6 weeks and you are back in the office

Dave.

It's a strobe trigger. It picks up the flash from the camera mounted strobe and uses it to fire another strobe.

HTH,

Rich