▁is ▁known ▁as ▁a ▁' k ut te piel '. ▁In ▁the ▁American ▁upper - M id western ▁states ▁of ▁Minnesota ▁and ▁Wisconsin , ▁the ▁closely ▁related ▁st ump f ▁fiddle ▁or ▁pog oc ello ▁origin ated ▁in ▁Czech ▁communities ▁and ▁adds ▁small ▁c ym b als , ▁strings , ▁and ▁a ▁drum . ▁A ▁similar ▁instrument , ▁the ▁b ati h , ▁is ▁found ▁in ▁Ukraine . ▁ ▁The ▁' Z ob ▁St ick ' ▁variation ▁of ▁this ▁instrument ▁was ▁constructed ▁and ▁named ▁in ▁ 1 9 6 8 ▁by ▁per cussion ist ▁and ▁song writer ▁Ke ef ▁Tr ouble ▁of ▁the ▁band ▁Bre tt ▁Mar vin ▁and ▁the ▁Th under bol ts ▁and ▁Terry ▁D act yl ▁and ▁the ▁Din osa urs . ▁It ▁is ▁now , ▁with ▁the ▁term ▁‘ L ager phone ’ , ▁the ▁most ▁commonly ▁used ▁name ▁for ▁this ▁instrument . ▁The ▁Bre tt ▁Mar vin ▁invent ed ▁term ▁' Z ob ' ▁was ▁taken ▁from ▁an ▁old ▁ris qué ▁UK ▁naval ▁term ▁that ▁has ▁the ▁same ▁meaning ▁in ▁French . ▁The ▁Ke ef ▁Tr ouble ▁' Z ob ▁St ick ' ▁is ▁distinguished ▁by ▁the ▁first ▁introduction ▁of ▁a ▁spr ung - boot ▁attached ▁to ▁the ▁bottom ▁of ▁the ▁pole ▁and ▁a ▁metal ▁sle e ve ▁round ▁its ▁centre , ▁this ▁being ▁hit ▁with ▁a ▁ser r ated ▁wooden ▁stick . ▁ ▁B ands ▁such ▁as ▁Gro an box , ▁Z ap opp in ' ▁and ▁Dr . ▁Bus ker ▁have ▁incorpor ated ▁the ▁Mon key