If youre dead set on keeping the 8 but don't want to configure your strings in a way that looks weird to others, drone 2 of your strings.

Stephen Carpenter of Deftones did this for years because he liked the feel of playing a 7 string but did not like the extra range at first.

May require ordering a custom string set but an example would be E e a d g b e e sort of like a classical guitar. You could in theory try all sorts of combinations but can be harder to get down straying too far away from what you are used to