I'm sure I saw better joints, I can do this, that is, I can only bend in one direction, the movement will become stiffer, etc., but I can't think of their names (I am an engineer, but Not in the field of metal products).
Waan hubaa inaan arkay kala-goysyada kafiican, tan waan sameyn karaa, taas oo ah, kaliya hal foorar ayaan u laaban karaa, dhaqdhaqaaqa ayaa sii adkaanaya, iwm, laakiin ma ka fikiri karo magacyadooda (Anigu waxaan ahay injineer, laakiin Ma aha berrinka alaabada birta ah).