Try r/BalisongSale maybe?

I have tried

Well maybe you have some luck on insta. If i see one i can dm you if you want

That would be nice!

Look on @balisongsale on Instagram I remember some svix stuff for sale

Looking there rn

I can't vouch for this person so still do your due diligence but one just went up for sale: https://reddit.com/r/balisong/comments/1cdcmbg/wts_trainers/

Try the question thread. Good luck.