Weatherprotectorfor courses (plastic zip folder is good) or laminate.
Pens and Pencils
Stopwatch
Calculator
PersonalScoreSheets
Discs,groundmarkersorchalk(tomarkregulateddistancesfrom jumps and poles, start of Obedience round etc).
Tape measure to measure distances between cones etc
Spareplasticbagsforcovering course maps.
Rangeof accessories for variations in weather i.e., sunglasses, sunblock, paracetamol, gloves
Recommendedthat Rally-O Judges have their own set of signs, sign holders, course numbers and cones, as unless flying it is useful to have courses ready to go when arriving at an event. (Bear in mind that clubs may have different sign holders than those you use.)