Rarely, instrument is expressed, not by means of the comitative, but by means of an applicative construction. This only occurs when there is no risk of ambiguity, i.e. when the complement cannot be interpreted as beneficiary.
A:O-zw-í mbelí pó na níni?
[2SG-fetch-PRS.PRF knife for to what]
'Why have you taken the knife?'
B:Na-kát-él-í yangó nyama
[1SG-cut-APPL-PRS.PRF 3SG.INAN meat]
'I’ve used it to cut the meat'
Mbelí óyo na-kát-él-í lípa, e-zal-í mo-néne
[knife REL 1SG-cut-APPL-PRS.PRF bread, 3SG.INAN-be-PRS.PRF SG-big]
'The knife with which I’ve cut the bread, is big'