ourn in ' ▁ ▁Dis band ments ▁▁ ▁The ▁Jeff ▁Beck ▁Group ▁▁ ▁MC 5 ▁( re formed ▁in ▁ 2 0 0 3 ) ▁ ▁Mountain ▁( re formed ▁in ▁ 1 9 7 3 ) ▁ ▁Ste ppen w olf ▁( re formed ▁in ▁ 1 9 7 4 ) ▁ ▁Events ▁ ▁References ▁▁ ▁Category : 1 9 7 0 s ▁in ▁heavy ▁metal ▁music ▁Metal <0x0A> </s> ▁A ▁head ▁cr ush er ▁is ▁a ▁put ative ▁tort ure ▁device ▁conce ived ▁in ▁the ▁early ▁modern ▁period . ▁ ▁Use ▁This ▁metal ▁device ▁featured ▁a ▁plate ▁that ▁sat ▁below ▁the ▁victim ' s ▁j aw , ▁which ▁was ▁connected ▁by ▁a ▁frame ▁to ▁the ▁head ▁cap . ▁As ▁the ▁tort urer ▁slowly ▁tw isted ▁the ▁handle , ▁the ▁gap ▁between ▁the ▁head ▁cap ▁and ▁plate ▁decre ased , ▁cr ushing ▁the ▁sk ull , ▁including ▁the ▁teeth , ▁mand ible ▁and ▁fa cial ▁b ones , ▁and ▁ultimately ▁indu cing ▁death . ▁ ▁Even ▁if ▁the ▁tort urer ▁stopped ▁before ▁death , ▁permanent ▁damage ▁to ▁the ▁fa cial ▁mus cles ▁and ▁structure ▁would ▁have ▁occurred . ▁The ▁victim ' s ▁head ▁would ▁slowly ▁be ▁cr ushed , ▁killing ▁the ▁victim , ▁but ▁not ▁before ▁the ▁victim ' s ▁j aw ▁had ▁been ▁cr ushed , ▁and ▁their ▁eyes ▁may ▁have ▁possibly ▁extr ud ed ▁from ▁their ▁so ckets . ▁To ▁ag gra v ate ▁the ▁pain , ▁the ▁tort ure ▁master ▁would ▁sometimes ▁am use ▁himself ▁by ▁t apping ▁on