Rus' brow wrinkles in confusion. "Like a snowball starting an avalanche?" he asks. "How is that?" Now he's even more confused.
"You'd have to practice with it," he concedes.
"What're you smirking at?" Rus asks. The waiter, unbidden, brings Rus another beer. He murmurs something too low for Severus to hear and Rus grins widely. "Thanks very much!" He raises the mug to the man, who blushes.
He considers this, drinking off some of his beer. "The park...I think I shall have to see what there is to be seen. After I've dealt with other matters." He smiles at the thought of them.