I watched a crappy youtube that had a drinkbottle adapted to help get a branch to root insitu but it was for me a total failure so I figured the idea was solid so I designed one that should work quite well.
I will fit it to a lie tree I have been trying to get cuttings off and also tried grafting without success.
I will update this post as and when this is successful.

Here is a YouTube I have done of my one: