Don't do anything, when you walk back and forth squat pressing your knees on the path, twisting and turning as you move around, pull a couple, throw them in the path, if they are tall clip the tops off next to your raised bed walls (chop and drop), all of this will kill the present weeds till new ones pop up. spray lightly with white vinegar. You will never get rid of all weeds. easier to work with them.