Bent because they aren't formed good. Flat metal doesn't like side load, and so bends. The straps need to be u-shaped, and a little thicker material. At the very lest about 1/2" thick if left flat. Those things look so weak it is totally pitiful.
Tom
"Everyone should believe in something; I believe I'll go fishing."
-Henry David Thoreau
Men and fish are alike. They both get into trouble when they open their mouths
