"Next he grabs a round yellow thing covered in small bumps. It looks like a strange fruit and I half expect him to squeeze it to produce juice. When it reaches shoulder height the small bumps explode, turning into razor-sharp spikes. I duck and roll in BK's direction to avoid getting impaled. "What the hell?" I shout. "You could have warned me! This is the second time in less than five minutes that you've almost killed me."