Back Clamp attachments

I am not sure but I found this on Etsy
http://www.etsy.com/listing/89465210...=all&ga_facet=

Maybe this will help someone who is looking for them.

These are top clamps, for a White, National, etc. :)

Sorry, that I thought that they were Back Clamp attachements. I'm still learning.

:) So am I!! (Still learning!) Just the same, there are lotsa needy machines out there that can use these, and you're a gem for pointing them out! :)