on - to ed " ▁st ance ▁( both ▁feet ▁turned ▁in ▁toward ▁each ▁other ) ▁when ▁he ▁plays ▁his ▁bass , ▁and ▁st ares ▁down ▁at ▁his ▁feet . ▁He ▁says ▁doing ▁this ▁allows ▁him ▁to ▁focus ▁on ▁what ▁he ' s ▁playing ▁and ▁keeps ▁him ▁from ▁being ▁dist ract ed ▁by ▁fans . ▁ ▁In ▁the ▁early ▁days ▁of ▁Th irty ▁Second s ▁to ▁Mars , ▁W ach ter ▁compla ined ▁of ▁consistent ▁head aches ▁after ▁performing , ▁but ▁no ▁pain ▁while ▁he ▁was ▁on ▁stage . ▁After ▁a ▁visit ▁to ▁the ▁hospital ▁and ▁a ▁CT ▁scan , ▁it ▁was ▁discovered ▁that ▁he ▁developed ▁a ▁conc uss ion ▁from ▁frequent ▁head - b anging ▁on ▁stage . ▁This ▁prompt ed ▁his ▁mother ▁to ▁suggest ▁he ▁" wig gle ▁his ▁h ips ▁like ▁El vis ", ▁as ▁mentioned ▁in ▁the ▁fan ▁year book . ▁The ▁head - b anging ▁has ▁since ▁stopped . ▁ ▁The ▁first ▁two ▁dates ▁of ▁the ▁ 2 0 0 6 ▁" F ore ver ▁Night , ▁Never ▁Day " ▁head lin ing ▁tour ▁had ▁to ▁be ▁post pon ed ▁after ▁W ach ter ▁hurt ▁himself . ▁The ▁injury ▁resulted ▁from ▁changing ▁one ▁of ▁his ▁car ' s ▁head light s ▁( or ▁as ▁Sh annon ▁Let o ▁says ▁" He ▁was ▁left ▁alone ▁with ▁a ▁pair ▁of ▁sc iss ors ." ▁to ▁which ▁W ach ter ▁replied ▁" A ▁pair ▁of ▁sc iss ors ▁and ▁a ▁light ▁bul b . ▁I ' ll ▁leave ▁the ▁rest ▁to