Maybe swap for a small rose joint or something ?
Or remote control car stuff ?
http://www.ebay.co.uk/itm/U3500-SCHU...#ht_1648wt_833
http://www.ebay.co.uk/itm/2-X-M8-MAL...1#ht_500wt_745
search swivel joint, knuckle joint, ball socket etc Turnbuckles may also yield something