I use 6" pop shield by AVSL its not the best but it does a great job.

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Black&WhiteStudios
http://www.blackandwhitestudiosrecords.co.uk

I used to make my own, but the very few times I have needed them in the past few years, I've used the AKG screens that came with my 414's. I think personally, I like a metal screen better than nylon at this point.

During a little celebration of the 20th anniversary of my studio I received this nice gift from 2 colleagues:

Pauly P120 T-30 Popkiller

It is an excellent popfilter with a very good gooseneck and really kills any plops and wind....
Better then any other I have ever tried, but frankly, I had never spend as much cash on such a thing....
I hope, it lasts to the 40th, now.

ooh, those are expensive Big K. It looks to be nylon sheer similar to the popper stopper. Not sure I like how it bolts between the clip and goose neck because:
The extreme C bend in the goose neck may droop or fall into an unforgiving memory overtime making it harder to use with various mics and sizes.

A lot of cash, very true...
But absolutely well build. I use it all the time and it does not show any sign of wear & tear and it is way more transparent to sound.
The goose neck is much better adjustable then any of the other maybe 5 goose necks I have.
If you ever have worked with the Neumann pop filter... it is a touch better in any aspect. If this is worth the extra 60 Euro.. Hmmm...
But how could I complain, ..it was a present... and something I enjoy to handle every day...

Thanks, Gary & Martin..if you read this...

I use the same Royer as you, and I have a Rode metal shield and then a ton of the cheap nylon ones. I'll usually use a nylon plus the Royer for vocals on the R-121 which I am liking more and more.