Separating bananas

[Fishboy]

I've got a mass of banana plants that I want to separate. The mass is about 30 inches across and four or six large plants with a dozen or so smaller ones. My instinct is to dig about a foot from the plant base to gather as much root as reasonable and rock the plants to roll them to one side. I'd then use a pair of garden forks to pry the plants apart. How's that?

The problem is, I haven't dug a banana and I don't know what to expect. Any advice is greatly appreciated.

Mahalo nui loa,
Brian and Mary
Lynnwood, WA\Discovery Harbour