All judging criteria from above are used, but the additional factors below must also be considered. The Difficulty level of a multiple person act is determined by the overall level of difficulty displayed by the pair, not by the difficulty of feats presented by a single rider. If one rider's skill level is a great deal higher than the other, judges must keep the Difficulty score somewhere between the levels of the two riders. A skill in which the two riders obviously support each other will score lower than the same skill performed separately. Riders who are merely holding hands may not be supporting each other, but if their arms are locked, they probably are.
Some skills are more difficult with riders holding hands, such as one foot riding.
Doubles' refers to two riders on one unicycle. Some Pairs performers use lots of doubles moves, with lifting, strength, and the associated difficulty. Other Pairs acts use no doubles moves at all. Remember that the skill level of both riders is being judged. If the 'top' rider does not display much unicycling skill when he or she rides, judges must keep that in mind, and rate their average difficulty accordingly.