I-Pec Fly / Rear Delt yimatshini esetyenziswa kabini eyahlula isifuba ngokugqibeleleyo ngeengalo neziphatho ezihlengahlengiswayo ngokupheleleyo
Ngokulungisa indawo yokuqalisa nokujonga kumatshini, iWatson Pec Fly / Rear Delt ikwabonelela ngendlela entle yokwahlula intloko engasemva yeedelts.
Ulwakhiwo olunzima kakhulu kunye ne-100 kg yobunzima obuyi-100 kg kwenza lo matshini ulungele iminyaka yokusetyenziswa gwenxa kwiindawo zokuzivocavoca eziqinileyo.