uce / rose wood , ▁finger board ▁extension , ▁wide ▁neck ▁Bre ed lo ve ▁custom ▁ 7 - string ▁spr uce / rose wood ▁D ary l ▁Perry ▁Fl amen co ▁spr uce / ash ▁D ool in ▁Double ▁Ne ck ▁Double - C ut away ▁Custom ▁Paul ▁Re ed ▁Smith ▁Angel us ▁Taylor ▁ 7 1 4 ce ▁Kal av ink a ▁Custom ▁Spr uce / H ond ur an ▁Rose wood ▁ ▁Electric ▁M ool lon ▁Nar cis ▁F ender ▁Tele c aster ▁( ass emble d ▁from ▁other ▁parts ) ▁with ▁Su hr ▁pick ups ▁Gib son ▁ 1 9 5 9 ▁ES - 3 3 5 ▁re issue ▁Gib son ▁ES - 1 2 6 ▁Gib son ▁S G ▁Vari ous ▁off - br ands ▁from ▁the ▁ 6 0 ' s ▁ ▁D ool in ▁double ▁neck ▁Justin ▁first ▁approached ▁Mike ▁D ool in , ▁an ▁innov ative ▁l uth ier ▁with ▁an ▁excellent ▁reputation , ▁to ▁build ▁a ▁double - ne ck ▁steel - string ▁guitar . ▁Justin ▁wanted ▁a ▁guitar ▁with ▁two ▁identical ▁D AD G AD - t un ed ▁ne cks ▁to ▁expand ▁on ▁his ▁unique ▁two - hand ed ▁t apping ▁style . ▁The ▁challenge ▁was ▁to ▁design ▁an ▁instrument ▁that ▁could ▁handle ▁ 3 4 0 ▁pounds ▁of ▁string ▁t ension ▁and ▁yet ▁still ▁be ▁ac oust ically ▁respons ive . ▁The ▁instrument ▁features ▁many ▁of ▁D ool in ' s ▁innov ations , ▁including ▁a ▁pin less ▁bridge , ▁and