That can be tough on a link not designed for shock mounts, but there are small clamps that are made to mount the shock to the link. They can be slid up and down the link for tuning, too. Check some out at the link below as an example.

[link=http://rc4wdstore.com/product_info.php?cPath=3&products_id=313]http://rc4wdstore.com/product_info.php?cPath=3&products_id=313[/link]