Swallows feeding sequence

Sat in the garden today I was watching the last of the swallow fledglings. 

I'm hoping that the others are off doing their own thing so don't need feeding anymore, although I did see a Red Kite over the garden with what looked like a swallow in its talons.

I thought I would try something different and get the feeding in slow motion and a sequence of photos of the adult approaching, feeding and flying off.

One thing I noticed is once the adult has handed over the insect, it reverses before flying off.

You can see here that the adult has reversed