Big Bricks Lucas Stranger things.

When Lucas's best friend, Will, mysteriously went missing in 1983, he and his other friends, Mike and Dustin, made it their mission to find him. However, while searching for Will, they stumbled upon a mysterious girl named Eleven instead. Lucas was suspicious of Eleven's behavior and actions, and believed she was taking advantage of Mike's hospitality; he also doubted the apparent supernatural circumstances behind Will's disappearance. A rift grew between the kids, prompting Lucas to investigate Hawkins National Laboratory on his own; however, this only made Lucas For the Jumper lines you can just cut some filament to the right size.