These locks are very practical: not too bulky (to save space), quick to install and three Schlüssel.So one secures Ruck Zuck additional luggage or Inhalt.Schütze your stuff from thieves where you verbindest.Wenn as two Reißverschlüssse to the bag together must be there, there are also backup cables in various lengths to combine, to chain any luggage on your bike, really great one does not always have to lug everything when it somewhere abstellt.Die security locks are a great help here, of course, get in different sizes.