The Shure A89LM-BA Dual Boom Lyre Adapter Mount is essentially a shock mount for the VP89 large shotgun microphone. The joint effort between Shure and Rycote features Rycote's patented lyre suspension technology. The suspension system greatly suppresses handling and structure noise, while the soft-touch grips molded into the clip prevent the microphone from twisting or slipping. The joint effort between Shure and Rycote features Rycote's patented lyre suspension technology. The suspension system greatly suppresses handling and build noise, while the soft-feel grips molded into the clip prevent the microphone from twisting or slipping..PZA MORE SPECS