The 4 way / 8 way restrictor gates are these: https://www.amazon.com/gp/product/B07GDGLVKX/ref=ppx_yo_dt_b_asin_title_o01_s01?ie=UTF8&psc=1

I changed out my stock octagonal to the 4 way this past weekend. I can finally do the dragon punch motions consistently again!

I haven't tried the circular ones that you linked, but I would imagine they would work fine.