normally joseph works alone but this time he partnered with toma leche. >> i partnered with toma lecheke this contraption, and it's my first completely wearable machine. >> gulp, gulp, gulp. that tips off the machine which begins to work. switches and levers and ropes. dogs. >> convenient. >> it's portable. >> could be wearing that in a coffee shop or a tea shop, wherever you are. >> very quiet. >> this is the youtube channel of joseph's machines, and he likes to build these rube goldberg-type devices. i think my favorite part is the dog. like i did it, it works. >> and i'm fabulous. >> these girls found themselves a little mud skipper. >> they thought it was cute so, they decided to chase it a little bit. >> why what they spot next makes this one a year's classic. >> i'm a real person. so it can grow back. >> and she's learned at an early age -- >> you know, it's just hard being a girl. >> why the bang trim made this one an easy choice for an all-time favorite. >> it's growing back. don't worry. safely navigate ard this broken-down rv. really? a road flare? it's my new year's resoluti