The diversionary device that I'm most familiar with is used on TV from time to time.
To bad guy:
"Hey! What's that?!!!" As you point over his shoulder. He turns around and -POW!!- Sucker punch to his jaw. Out like a light. "Holy knoch out Batman!...Works every time."
If life were just as simple as TV........
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"But now, he that hath a purse, let him take it, and likewise his scrip; and he that hath no sword, let him sell his garment, and buy one." -Jesus Christ (Luke 22:36, see John 3:15-18)