Kugwiritsa ntchito limodzi kukweza ma slings , aliyense ali ndi nkhawa zapadera za izi, ndipo zomwe timachita ndikukulitsa zofunikira zamtundu wa kasitomala aliyense, kotero kuti mtundu wa ntchito yathu imodzi yonyamula ma slings walandiridwa bwino ndi makasitomala ambiri ndipo wasangalala ndi mbiri yabwino m'maiko ambiri. Lishenflex kugwiritsa ntchito limodzi kukweza ma slings ali ndi mawonekedwe & magwiridwe antchito & mtengo wampikisano, kuti mumve zambiri pakugwiritsa ntchito kamodzi kokweza ma slings , chonde omasuka kutilankhula nafe.