This is cover for zero position sensor for Anycubic Mega S / i3 Mega. Now wires are under protection =) Some users tells that it do not fit to Mega-S 2020 for some reasons. If you interested, you can tell me what modifications i should do to fit it new Mega-S.
More creative things you can found here: https://vk.com/molnija3d and https://vk.link/molnija3d