Regarding your clasp enquiry, I don't know what kind of work you do,
but if you are using good quality materials and putting time and
effort into creating work to be proud of...........well I think it
would be a crime to use mass produced clasps. It would only make your
work look cheap, I used to use the mass produced type, I sourced them
in Germany, they where truly beautiful, but made from base metal, and
on close inspection they really were not up to scratch!
I learnt my lesson when going before the panel of a Land mark
Gallery here in Dublin, they wouldn't accept anything that was not
hand made. It was difficult for me to come up with ideas for my
clasps, I don't work with precious metals, and didn't know anyone off
hand that could fit the bill, so I instead made button hole closures
using pearls/Swarovski what ever material I was using in the
particular piece, and I haven't looked back.
It was a good lesson to learn, and now, I wouldn't dare use anything
that might take away from my work, which is highly detailed time
consuming work. I was eventually accepted to the Gallery.
So my advice to you is, find yourself a maker and have them make
some handmade clasps that compliment your designs. If you decide to
take the other route, here is the web address of the German contact.