How are you doing Marti? Sew Classic's foot looks nice, I think it's widely used. The Featherweight shop sells
this one, and it should be ideal for a 185K. I think there are a few sellers carrying these types on the web, and maybe even a local store. Is there any particular type you like?
Here's yet a type that should go on a 185 trouble free. The Featherweight shop have a
trasparent version too.