Originally Posted by dendrophobe
Are you using the Rugged AMPS mount? It's not a key lock, but it's locked with a security torx bit.
I don't know of any mount other than the one offered by Garmin... They offer a car window mount, a car dash mount and the Motorcycle/ATV mount.
I have the window mount for my truck and the bike mount for the bike.
I am running city navigator and Topo 24k maps