[labprotocol]

"Make note of his reaction here," Scott said, using his other hand to fondle Chris' balls and cock. "Things run much smoother when the carrier is aroused." He pulled his fingers out and left the table for a minute to take something out of his bag. It was a red ball gag. "Now I don't want Chris to make any noises that will disturb the class, so I brought this." He shoved the gag in his student's mouth, fixing it into place around his head. The class cheered.

Scott moved back to the front of the table and pulled Chris' legs further apart before shoving in. He took his time, slowly opening Chris up on his thick cock, sinking in deeper.