▁metal ▁tub es ▁which ▁are ▁struck ▁manually ▁with ▁h amm ers , ▁form ▁an ▁instrument ▁named ▁tub ular ▁b ells ▁or ▁ch imes . ▁In ▁the ▁case ▁of ▁wind ▁or ▁a e ol ian ▁ch imes , ▁the ▁tub es ▁are ▁blow n ▁against ▁one ▁another ▁by ▁the ▁wind . ▁ ▁Lith uan ian ▁Sk rab al ai ▁The ▁sk rab al ai ▁is ▁a ▁traditional ▁folk ▁instrument ▁in ▁Lith u ania ▁which ▁consists ▁of ▁wooden ▁b ells ▁of ▁various ▁sizes ▁h anging ▁in ▁several ▁vertical ▁rows ▁with ▁one ▁or ▁two ▁wooden ▁or ▁metal ▁small ▁cla ppers ▁h anging ▁inside ▁them . ▁It ▁is ▁played ▁with ▁two ▁wooden ▁st icks . ▁When ▁the ▁sk rab al ai ▁is ▁moved ▁a ▁cla pper ▁knock s ▁at ▁the ▁wall ▁of ▁the ▁tr ough . ▁The ▁pitch ▁of ▁the ▁sound ▁depends ▁on ▁the ▁size ▁of ▁the ▁wooden ▁tr ough . ▁The ▁instrument ▁developed ▁from ▁wooden ▁cow b ells ▁that ▁she ph erd s ▁would ▁tie ▁to ▁c ows ' ▁ne cks . ▁ ▁Farm ▁b ells ▁ ▁Where as ▁the ▁church ▁and ▁temple ▁b ells ▁called ▁to ▁mass ▁or ▁religious ▁service , ▁b ells ▁were ▁used ▁on ▁far ms ▁for ▁more ▁sec ular ▁signal ing . ▁The ▁greater ▁far ms ▁in ▁Sc and in avia ▁usually ▁had ▁a ▁small ▁bell - t ower ▁rest ing ▁on ▁the ▁top ▁of ▁the ▁bar n . ▁The ▁bell ▁was ▁used ▁to ▁call ▁the ▁workers ▁from ▁the ▁field ▁at ▁the ▁end ▁of ▁the ▁day ' s ▁work . ▁ ▁In