Kwa ma slings a tcheni onyamulira , aliyense ali ndi nkhawa zapadera za izi, ndipo zomwe timachita ndikukulitsa zofunikira za kasitomala aliyense, kotero kuti mtundu wa ma slings athu a unyolo wonyamulira walandiridwa bwino ndi makasitomala ambiri ndipo amasangalala ndi mbiri yabwino m'maiko ambiri. Ma Lishenflex ma chain slings onyamulira amakhala ndi mawonekedwe & magwiridwe antchito & mtengo wampikisano, kuti mumve zambiri zamakongoletsedwe a tcheni onyamulira , chonde omasuka kulumikizana nafe.