We will do it if you need - but try TLC first, no cutting. After soaking try to lift the scab up with your (clean) fingernail. And remember, it will bleed a little. You might not get the scab up and off the first day, it may take 2-3 days of soaking and booties.
We had one so bad once the entire bottom of the foot was black with scab and the scab winded its way through the ball of the foot and up through the toes. It was awful. And she made it. Seems like my leghorns are especially prone to it.