This is what it should look like.  Note that the bottom half of the clamp has been inverted.  That is required when used on re-bar.

Two does not make it better.

The clamp should be on one bar....never two.

Improper use of a split-bolt.

Oh! Oh! I got this one Alex.  What is a perimeter bonding jumper?

TIGERLOOSE

These are examples of what not to do.