Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: A cikin nau'ikan buga hannu biyu, 'yan wasan bass suna amfani da hannaye biyu don kunna bayanin kula a kan fretboard ta hanzarin latsawa da riƙe kirtani zuwa fret. Maimakon tsagewa ko tsage kirtani don ƙirƙirar sauti, a cikin wannan fasaha, aikin buga kirtani a kan fret ko fretboard yana haifar da sauti. Tunda ana iya amfani da hannaye biyu don yin wasa a kan fretboard, wannan yana ba da damar yin wasa da layin contrapuntal da ke haɗuwa, don yin wasa a lokaci guda da layin bass da madaidaiciya mai sauƙi, ko kunna waƙoƙi da arpeggios. Bassist John Entwistle na The Who ya buga da ƙarfi a kan kirtani, yana sa su buga fretboard tare da sautin twangy don ƙirƙirar cikewar salon drum. 'Yan wasan da aka lura da wannan dabarar sun hada da Cliff Burton, Billy Sheehan, Stuart Hamm, John Myung, Victor Wooten, Les Claypool, Mark King, da Michael Manring. Chapman Stick da Warr Guitars kayan kida ne na musamman waɗanda aka tsara don yin wasa ta amfani da taɓawa da hannu biyu.  Tambaya: Wanene ya yi amfani da wannan dabarar?
Cliff Burton, Billy Sheehan, Stuart Hamm, John Myung, Victor Wooten, Les Claypool, Mark King, da kuma Michael Manring