In reply to Shopping 4 guns:
I actually made a totally effective flame deflector from the bowl of a stainless steel serving spoon. I've been using it for years.
Yuo just need a vice, hacksaw and a couple of files.
Adjust the clearance by bending the 4 "arms" until you get a nice clean roaring flame.
The older, loose, flame deflectors were cast. You got a different clearance by turning them over. The later models were pressed steel, and clipped on. They were rubbish, and eventually burned through.