• [Diego Luna Cassian] quite a smartass, and I really appreciate smartasses. He used to make fun of me for the stupid backpack I wore. There were a few situations where I couldn't [wear the stilts]. [When] I was on a cliffside or running in water and stuff like that, I had to wear this backpack with a telescoping head that came off the top, and it was really stupid looking.

    Alan Tudyk: [Diego Luna Cassian] quite a smartass, and I really appreciate smartasses. He used to make fun of me for the stupid backpack I wore. There were a few situations where I couldn't [wear the stilts]. [When] I was on a cliffside or running in water and stuff like that, I had to wear this backpack with a telescoping head that came off the top, and it was really stupid looking.
    Source: www.avclub.com