The MicLock is a patented mic clip lock solution for musicians using Sennheiser’s MD 421 microphone. With a single piece clip-on design, the MicLock secures the MD 421 and offers worry-free recording and performing when using this mic. The MicLock perfectly snaps and locks the clip arm into place, weighs only 1 ounce and features a high-strength epoxy body with no moving parts.