The below is site for a wheel lock called PetBull. It is a pricey but
not so bad when you think of it as insurance. I use one on my Bubble
when I am parked in suspect places.
http://www.baumpub.com/publications/arc/con_03Jan/pitbull.htm
Roy Lashway
'78 Argosy,'56 Bubble
WBCCI 1610 VAC
rlashway@zianet.com
web site: www.zianet.com/rlashway
(polishing report included)