Striking someone upon the head with a heavy implement, such as a sledge hammer, a crowbar, or a monkey wrench, may cause momentary dazing. A punch in the chin, however, may knock someone unconscious---unless it is repeated numerous times in quick succession, in which case it will merely cause the victim's head to jerk backwards repeatedly.Corrected after watching
A series of three
objects, such as horseshoes,
dumbbells, or bowling balls,
that fall upon someone's head will emit sounds in the pattern sol (in low octave)–mi (upper octave)–do (in between), formerly known as the NBC chimes.
The cutting part of a saw or a wood plane may be applied to someone's head without inflicting injury, though in some cases it may cause damage to the saw.
Bullets fired into the posterior will ricochet with a loud metallic noise and cause no serious injury.
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