▁other ▁arm ig ers , ▁may ▁display ▁hel ms ▁at op ▁their ▁arms . ▁Hel ms ▁of ▁pe ers ▁are ▁dep icted ▁in ▁silver ▁and ▁facing ▁the ▁vie wer ' s ▁left . ▁The ▁hel m ▁is ▁g arn ished ▁in ▁gold ▁and ▁the ▁closed ▁vis or ▁has ▁gold ▁bars , ▁normally ▁number ing ▁five . ▁Al ong ▁with ▁the ▁hel m , ▁pe ers ▁use ▁a ▁mant ling , ▁one ▁side ▁of ▁which ▁is ▁red ▁and ▁the ▁other ▁a ▁representation ▁of ▁the ▁her ald ic ▁fur ▁er mine . ▁The ▁mant ling ▁of ▁pe ers ▁is ▁emb la zon ed ▁g ules , ▁double d ▁er mine . ▁Pe er esses ▁and ▁other ▁female ▁arm ig ers ▁do ▁not ▁bear ▁hel ms ▁or ▁mant lings . ▁ ▁History ▁▁ ▁When ▁William ▁of ▁Norm andy ▁conquer ed ▁England , ▁he ▁divided ▁the ▁nation ▁into ▁many ▁" man ors ", ▁the ▁own ers ▁of ▁which ▁came ▁to ▁be ▁known ▁as ▁bar ons ; ▁those ▁who ▁held ▁many ▁man ors ▁were ▁known ▁as ▁" gre ater ▁bar ons ", ▁while ▁those ▁with ▁fewer ▁man ors ▁were ▁the ▁" less er ▁bar ons ". ▁When ▁Kings ▁sum mon ed ▁their ▁bar ons ▁to ▁Royal ▁Coun c ils , ▁the ▁greater ▁bar ons ▁were ▁sum mon ed ▁individually ▁by ▁the ▁S over eign , ▁less er ▁bar ons ▁through ▁sh er iffs . ▁In ▁ 1 2 5 4 , ▁the ▁less er ▁bar ons ▁ceased ▁to ▁be ▁sum mon ed , ▁and ▁the ▁body ▁of ▁greater