Keeping subs from sliding around?

[Bronco Boy]

How do you guys keep your subs from sliding around?

I used an adjustable cargo bar in my T-Bird.....











Might do the same in the GP, when I get around to making a new box.

[Bob Padilla]

I used an adjustable cargo bar in my T-Bird.....











Might do the same in the GP, when I get around to making a new box.

That's cool and simple. I like that.