Let us know which ones you find. Someone here said this one is a good starting choice, mine just arrived a few days ago but still waiting on the pick:
https://www.amazon.com/gp/product/B07RD3NTTB/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1
Not OP but I picked up a Zarker J45 on Amazon to use with this DD pick: https://www.amazon.com/gp/product/B07RD3NTTB
It works well -- I also picked up a Anchor Las 810 on ebay but the pick doesn't fit down the keyway (I saw another post here that filed down the tip and it worked for the Anchor Las; but haven't tried it yet).
This is the only working link out of the locks I started with, the rest were random from ebay or unavailable on amazon. The zarker isn't bad, constructed well enough that none of the discs flop around (unlike a few I got on ebay) and no false gates. There are cuts for the first disc on the keys (at least the two I have) so it'll be normal rear tension or tricked out front practice.
I got this Zarker J45 off Amazon for $15
https://www.amazon.com/ZARKER-J45-Rust-Preventative-Lock/dp/B07RD3NTTB/
Made a video for it too https://youtu.be/nPeYk_xLwac
Don't think I felt any false gates in there, so should be a nice starting point.
Can you link to some of the ones you bought? Several people here mentioned this one as a good starter:
https://www.amazon.com/ZARKER-J45-Rust-Preventative-Lock/dp/B07RD3NTTB/
My pick should be arriving today