On my commuter.
I put spoke reflectors on (law) and took off my front and rear reflector (not law).
Two cateye EL500 headlamps on the front, niterider taillight on the back. Home made battery case inside my saddle pack along with extra tube, chain tool, multitool, patch kit, and an energy bar.
Two bottle cages. Bell (law). Bike computer. Bar ends. New grips. Thinner slicks.