As the trial of George Zimmerman draws to an end, the closing argument of his defense included an attempt to dispel the prosecution’s assertion that Trayvon Martin was “unarmed.”

In reference to testimony that Martin held Zimmerman down and bashed his head on a concrete sidewalk, the Zimmerman defense used a heavy courtroom prop:

Will the “armed with sidewalk concrete” tactic be effective with the jury? If these tweeters were on the jury we doubt it:

We’ll find out soon what happens, because the jury is expected to begin deliberations this afternoon.