The hook mechanism that was supposed to secure the glass shower doors would often come unhooked. This would allow the doors to roll back and forth as we were traveling.
I think we are lucky they never broke.
These are buckles I ordered from REI, www.rei.com
Hi Tex Corp Cambuckle – 1 Inch Package of 2
Hi Tex Corp Triglide – 1 Inch – Package of 4