Did you know that the string on your diabolo has to go from your foot to your shoulder to get the right size? If it's longer, cut it off. A professional diabolist changes his string before each scene. For everyone else who is still trying to juggle 2 diabolos (or even just one), don't panic, you don't have to buy a 100m reel every week! We still recommend that you always have a 25m spool handy and change your twine as soon as it starts to unravel (after about 10 hours of use)