Elizabeth lost no time in checking the effectiveness of the devises as matron invited them to test them by massaging their tortured thighs and bottoms...until their sexual responses caused the devises to work and muffled screams could be heard through their gags.Richard's cock quickly grew under Elizabeth's handling, until his swelling shaft met the barbs, then he gasped and howled, jerking without control until his cock shrank again and he could capture his breath. The girl squeezed her thighs. "This is really bad alright." said Don returning to his seat and drawing himself up to the desk. "How's he taking it?" Not too well." said Stephen. "He wasn't terribly impressed and wanted us to change him back there and then." I'm not surprised." said Don from behind his large oak desk. "You didn't try did you?" I explained why we couldn't do that." I presume you put the usual blockage spell into force." We did." said Stephen, beaming at having got that right. "I told him we couldn't change. That day we had sex too but he was a bit weak, so i blew him many times more even he wasn't fully hard, was a nice afternoon afterwards.after like 5 minutes he told me he was ready again, i told him i had a surprise for him and instead of condoms we would be using a cockring: 1-because i wanted to feel him inside me and 2-because he would perform better and longer. I took the cockring, lubed him with my mouth and put it on him, he soon started to get hard and bigger, and then i told him "use me. Whether it's using my hands or my mouth, I love his cock with its overhanging foreskin. I love the taste of his glans, his hood; such intense pleasure.We kiss and make love. He's so hot. While my mouth, lips, and tongue are all over his cock, my hands are in constant motion, fondling and caressing every part of his body. His cock is solid in my mouth and he's panting and gasping, thrusting his hips at me. Then he cums. His sweet nectar splashes down my throat and I lick and suck until his cock.