My answer was to cut the branches down and then pick the grapes. There was also another reason and it was that the trees had never been pruned for many years. Everything i have been told is that you need to prune back a lot almost to the point where they had been pruned before.
The bonus is that almost all of the branches can be kept and they will go on the log burner over the winter. The second bonus is the olives, i won't get enough to take to the olive press to be pressed into olive oil but i can process them and put them in jars for sale at the market.
The final bonus is that growing all over the trees and branches is Lichen. Lichen is what railway model makers use to put on the backgrounds they make for the railway displays. Lichen is used to make trees and bushes and i can use all i have on my olive trees.
Not bad for a few hours work. Now to salt them and empty the water for the next seven days.
This is Lichen. People want to buy this so who am i to refuse.