Has anyone got these? I’ve got some 2014 xt brakes and a right x0 shifter that I want to use together.

From what I’ve read the xt brakes need to be before 2013 – is this right?

The alternative is to get a discrete sram shifter or matchmaker clamp but both are around £20+ which is about the same cost as one of these adaptors. Anyone any experiences? Ta 🙂