Bayley, you're sponsored by Feenickz aren't you? Just call Tom up and ask if you can get an extra shim for the HIC Suicides. I'll buy them for sure if you just get the damn shim. Nowhere has it individually, those bars are literally useless without the shim.
http://www.titetoyz.com/index.php?main_page=product_info&products_id=649
is this what you need?