mer ed ▁and ▁the ▁whole ▁joint ▁is ▁ ▁surrounded ▁by ▁a ▁band age . ▁R s ab ha ▁nar aca ▁sam han ana ▁n ama - kar ma ▁gives ▁a ▁joining ▁not ▁so ▁firm ▁as ▁ ▁the ▁preceding ▁one , ▁because ▁the ▁n ail ▁is ▁missing . ▁Nar aca ▁sam han an ▁n ama - kar ma ▁gives ▁a ▁joining ▁which ▁is ▁still ▁we aker , ▁because ▁the ▁band age ▁is ▁missing . ▁Ar d ha ▁nar aca ▁sam han ana ▁n ama - kar ma ▁gives ▁a ▁joining ▁which ▁is ▁on ▁one ▁side ▁like ▁the ▁preceding ▁one , ▁while ▁on ▁the ▁other ▁the ▁b ones ▁are ▁simply ▁pressed ▁together ▁and ▁na iled . ▁Kil ika ▁sam han ana ▁n ama - kar ma ▁gives ▁a ▁weak ▁joining , ▁by ▁which ▁the ▁ ▁b ones ▁are ▁merely ▁pressed ▁together ▁and ▁na iled . ▁Se v arta ▁( ched ap r st ha ) ▁sam han ana ▁n ama - kar ma ▁gives ▁quite ▁a ▁weak ▁joining , ▁by ▁which ▁the ▁ends ▁of ▁the ▁b ones ▁only ▁touch ▁one ▁another . ▁The ▁humans ▁in ▁this ▁era ▁as ▁per ▁J ain ▁cosm ology ▁have ▁this ▁type ▁of ▁joint ▁structure . ▁The ▁sam han anas ▁play ▁a ▁great ▁role ▁in ▁J ain ▁doctrine . ▁Only ▁the ▁first ▁four ▁make ▁a ▁med itation ▁possible ▁and ▁only ▁the ▁best ▁structure , ▁the ▁ 1 st ▁joining ▁of ▁the ▁joint s , ▁perm its ▁the ▁highest ▁kind ▁of ▁concentration ▁which ▁preced es ▁salv ation . ▁ ▁The ▁six ▁sam