If you read the online fishing forums you will have heard of Mighty Bright Reflective Tape. This highly reflective tape is ideal for adding to rod tips to enhance bite detection at night but can also be used in small strips on bait knives etc making them easier to pick out in the dark. It reflects the light from any source to make your rod tips highly visible.
The video below provides full fitting instructions.
Colour Blue - 4 x 6 inch (160mm) strips per pack.