You are the master - silence your slave, do with her what you will, your deepest desires, everything, until she can speak no more. It evokes helplessness, speeds up the heartbeat. It's just an element of the role that does not carry serious physical limitations. It's an option for psychological humiliation. An ideal experience for beginners. No bondage session will come to a satisfying end if you don't have this wonderful gag at hand
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