Pool Billiard Cue Robertson Break / Jump. The original Robertson cues have belonged to the absolute top class in terms of workmanship, quality and price for years. For example the new break / jump model, which is equipped with an extra hard maple solid wood top. The black bakalite ferrule also increases the impact energy on the game ball, which is often crucial when it comes to kicking off. The lower part can be converted into a jump cue in a matter of seconds using a quick release fastener.