▁known ▁as ▁kom us ō , ▁which ▁means ▁" p ri est ▁of ▁nothing ness " ▁or ▁" mon k ▁of ▁em pt iness ". ▁Fu ke ▁Z en ▁emphas ized ▁pil gr image ▁and ▁so ▁the ▁sight ▁of ▁wand ering ▁kom us ō ▁was ▁a ▁familiar ▁one ▁in ▁Old ▁Japan . ▁ ▁Fl ute ▁ ▁The ▁sh ak uh achi ▁fl ute ▁was ▁the ▁instrument ▁used ▁to ▁achieve ▁this ▁desired ▁state . ▁The ▁instrument ▁der ives ▁its ▁name ▁from ▁its ▁size . ▁Sh aku ▁is ▁an ▁old ▁unit ▁of ▁measure ▁close ▁to ▁a ▁foot ▁( 3 0   cm ). ▁H achi ▁means ▁eight , ▁which ▁in ▁this ▁case ▁represents ▁a ▁measure ▁of ▁eight - t enth s ▁of ▁a ▁sh aku . ▁True ▁sh ak uh achi ▁are ▁made ▁of ▁b am bo o ▁and ▁can ▁be ▁very ▁expensive . ▁ ▁Dis gu ise ▁and ▁out fit ▁ ▁Kom us ō ▁wore ▁a ▁t eng ai ▁or ▁t eng ui ▁( 天 <0xE8> <0x93> <0x8B> ), ▁a ▁w oven ▁st raw ▁hat ▁or ▁k asa ▁which ▁completely ▁covered ▁their ▁head ▁like ▁an ▁over turn ed ▁basket ▁or ▁a ▁kind ▁of ▁w oven ▁be eh ive . ▁The ▁idea ▁was ▁that ▁by ▁we aring ▁such ▁a ▁hat ▁they ▁removed ▁their ▁e go . ▁What ▁the ▁hat ▁also ▁did ▁was ▁remove ▁their ▁identity ▁from ▁pr ying ▁eyes . ▁Further , ▁the ▁government ▁granted ▁the ▁kom us ō ▁the ▁rare ▁privile ge ▁to ▁freely ▁travel ▁the ▁country ▁without ▁h ind rance — play ing