Ah, I think I see what you mean and I'm sure I have seen a breast that looks like yours before. Every mum and baby pair has their own unique anatomy and some find they need to be a bit more creative with positions than others.
OK, firstly if she's doing 3-4 movements followed by a swallow (pause in the chin) then she's getting milk -that's what the swallow indicated. With nibbling you hardly see any swallowing. Some of the videos show babies at the start of a feed with mums with v full breasts. In these situations, such as perhaps first thing in the morning, babies often gulp the milk down with only one or maybe two suckles per swallow at the start of a feed. However, as a feed goes on, the milk becomes harder to extract, so more suckles per swallow. This is also the case when a baby has only gone a short time since they last fed on the same breast. It indicates they are taking the fattier milk which is harder to extract, hence more suckles per swallow. It's possible it could indicate room for improvement in the latch too, but there would be other signs as well, such as, for example, visibly pursed lips, discomfort for you, chin not deep into the breast, baby fussing etc etc. Does that help you make sense of it?
With the positioning, it may be that the position I descibed might not be the easiest for you to sustain, as perhaps you are having to support her body higher than is comfy for your shoulder and elbow? Though perhaps if you play around with cushions under your arm it might be ok?
I can see that she would need to face slightly downwards from that position if your nipple is at an upwards angle and it's great that you recognise this yourself . If the nipple is the centre of a clock face, then a baby can actually attach from any numerical position (at least in theory). The key is to apply the same principles, so
- nose, knees and naval all in straight line facing towards mum (and in the correct plane for the angle of your nipple)
- baby held close to you
- big wide mouth
*top lip gliding over the nipple
*coming on chin first by moving baby's whole body not pushing their head
- position comfortable and sustainable for both mum and baby
Have you had any face-to face support from a bf counsellor? Are there any support groups near you?