Originally Posted by 2manybikes

I hate it when that happens !!

The carry handles on the top of my bags reach each other across the top of the rack. I bought a tiny little luggage lock and lock them together. I also have enough slack so that they can go under one of the rack bars and get locked together, This may prevent a grab and run theft of a bag. At least you need a good knife to cut the nylon web handles.

The lock rattled, so after I lock it I use the elastic from an old inner tube to hold it against one of the rack bars.