Front cantilever cable swivel ball thingy?

[sefton1275gt]

I’m I correct in thinking there is a kind of swivel ball that the front brake cable goes through? And if so what its name so I can buy one?

 

[bikeworkshop]

 

[sefton1275gt]

Haha. The end is too thick

 

[winjohn]

Do you need a swivel adapter? Most hangers just have a straight cable adjuster.
Like this.
https://www.sjscycles.co.uk/brakes/d2o-brake-hanger-cable-adjuster-silver-m6/