This another really important question!
One day a friend of mine was helping me feed the some two week olds. Ruth is a nurse anesthetist, and extremely qualified in medical care. I nearly passed out when I saw her holding the kitten in the crook of her arm, flat on his back. As humans, that's the instinctive way to feed a baby, any baby. Unfortunately, with kittens it's dead wrong. Kittens can easily strangle on the forumla in this position.
All the books recommend that you leave the kitten laying on his belly and hold the bottle at an angle. For me, this is very awkward unless you have an angled bottle like the Catac nurser. What I do is to sit on the couch with my bottom about a foot from the couch back. Then I lean back and place the kitten on my chest (like nursing a human baby.) The kitten stays warm and they like to hear your heartbeat. And you're close enough to monitor what's happening.
Does anyone else have any suggestions?