he is astronaut chris cassidy and he says luke is going to come to the space station and i need to fix myself up. he will show us how you can shave your head in space. >> go out on a limb here and get the full-on look. we have standard hair trimmer. the hair would go all over the place, so we need to connect it to our vacuum cleaner. >> it is so funny a guy is going through all of this to welcome another guy aboard the international space station. i guess little things like this make it fun. >> i think he learned to make a cool video and found an excuse to make a fool video. >> give yourself a space station mohawk. >> what do you think so far? stop here? i don't think so. >> this isn't to impress lucca. this is to kind of pay homage to lucca, so like you have a bald head, i will have a bald head to welcome awe barred. it is not like i want to look good. i want to say we're bros. >> astronaut bros, not that many people in it. >> the full on lucca ready for my new crew mate. thanks for coming to chris' barber shop. next up is docking. >>> some raven nestlings enjoy a snack. >> there is a