Rode RM2 - Ring-Mount Microphone Clip
Rode RM2 - Ring-Mount Microphone Clip, Low-profile Ring-mount Microphone Clip for RODE Large-diaphragm Condenser Microphones.
RODE RM2 Ring-Mount Microphone Clip Features at a Glance:Securely mount your RODE large-diaphragm mics with the RM2!