BY LAW,YOUR ALLOWED TO CUT THE OVERHANGING BRANCHES INTO YOUR GARDEN,IF,THAT WOULD HELP,BUT,YOU MUST GIVE BACK TO THE OWNER THE CUT BRANCHES OF THE TREE AS CAN BE CLASSED AS THEFT,,,,,,,,stupid law,but,there you go !!!
also i think A C HUGHES & son does differant rings for pigeons,look on internet not sure 100% if that name right,but,someone on here will correct me if not !!!