Kahl's a bit attached to those, but he'd definitely be interested in sharing what he can! Disability of all kinds is pretty common among the Grineer, as is bashing together your own repairs and assistive devices as parts fail.

They also do quite a lot of tinkering and improvisation, if they find they need a tool and you don't have it--Kahl's got some custom tech he bashed together himself! He'd definitely be interested in the stuff Viktor gets up to.