They charge for that kind of thing in the States? But that's the kind of thing humane societies exist for in the first place surely, and that's basic equipment! It's like a firebrigade asking to pay for them to hire a hose before they come and put your fire out.

Liz's approach makes sense. And Little Hawk's I would advise against. You'll never be able to grab the kitten that way, I reckon.

This site sounds like it might be some help - How to Tame Feral Cats and Kittens