Soon he decided to switch it up. "I think I want to propose a challenge." he said after pulling his tongue from her mouth, the taste of her still lingering. "Heather do you think you can fit my head inside of you?" He pushed her gently down so her pussy lips were being spread by his thickness. "Ruby, how do you think she will fare? and do you think you could do it as well?" he winked. it wasn't much. But the girls would probably get a thrill and laugh from challanging eachother and having his cock inside of them.