"Yes it is. How do you think I do it? But it takes practice, a lot of it. Let me give you an example." She said, putting an hand on his shaft. She pressed her claw on the tip. "You see? It only stretch a little. But if you practice and try to put your finger in it..." She forced her claw a little, not enough to hurt him but enough to force a little opening. "You see? And I must say it impresses me a little. You're already very stretchy at this place."