I have used both priest and airgun/pistol for despatch but are happier when using the airpistol,i read on another forum it was a .22 rimfire with shot cartridges but i,m not sure if it was!
I liked the idea of a fenn in box obviously far cheaper to run on a large scale than a load of Kanias but a little more thought needed on the principle of how a fenn works as previously stated,maybe another shelf at the correct hieght above the trap with a appropriate size hole cut in it,perhaps two & half inch diameter???
I liked Pauls passion for his work and his manner made me chuckle at times but