Kallen nodded. "Use your teeth," he said sarcastically. Despite the sarcasm though, he was impressed that Percy had actually started thinking it through. He didn't think that the other male had it in him. Then again, maybe it was Kallen himself who didn't have it in him to come up with a good plan. Especially considering the fact that he was refusing to do anything. He glanced down at the plate that the untouched food had come in on, and raised an eyebrow. "The plate's probably made of glass or hard plastic. If you break it the pieces would be sharp enough to cut through the rope..."he hummed.