How to use a flexi bit may healp you with your electrical project. Just a few know-hows work wonders sometimes, so you may want to check this out. Knowing how to use a flexi bit breaks the traditional ways on how to fish electrical wires down & through existing walls. If you are remodeling your house or just want to add a few plugs &/or switches, you might want to pick one of these flexi bits up. Knowing this little tip may be just what the doctor ordered!