максимода
https://textile.bg/113-%D0%B1%D0%B0%D0%BC%D0%B1%D1%83%D0%BA-%D0%BB%D0%B8%D0%BA%D1%80%D0%B0
Are you referring to a 'sling' as in a kind of bag or band to lug points, or are you asking about a 'sling' in a medical context, like an arm sling for sustaining a damaged arm?