It makes it possible for them to go from hole to hole with an iron in their hands.
The knife just wasn't cutting it.
Who else invents things?
Look! No hands!
She screamed and screamed until her hands turned blue.
He got a hole in one.
In case he got a hole-in-one!
The phone rang while she was ironing!
Because it's good ferrous.
Because all the other fore letter words were taken (Thanks to ... this now makes sense...)