Nor auto bobbin hands down! Price is affordable at $35. Design is great, no wobble as Hans mentioned. At this price I have three on my bench. The only slight inconvenience is the loading of the spools but it is a tiny negative and barely worth the mention.

All of the rest of my bobbins (Tiemco, Matarelli, Indian, Rite and a few others) just sit and collect dust.

In all fairness, I have not tried the Ekich bobbin so I can't evaluate it other than cost. I'm sure it is a fine bobbin and from the pictures I have seen, it looks well built.

Happy Trails!
Ronn