Rick balanced on one leg, one hand on Scotty's shoulder, the other hand fumbling with the shoelace on his lifted foot.
The tail walked toward them, unfolding a paper as he did so. He was apparently devoting his full attention to the paper; his actions said he didn't even know the boys existed.
"You ought to get tighter shoes," Scotty observed. "Then you wouldn't get stones in them."
"Save the advice," Rick grunted. "I've got a knot in the lace."
The man came abreast of them, between Rick and the building, and in that moment, clawing wildly for balance, Rick lost his hold on Scotty's shoulder. He fell squarely against the man in the gray suit and crushed him into the building.