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Jack Daniels Metal Organiser/Filofax with solar calculator: Amazon.co.uk: Stationery & Office Supplies
V.O2 - The official VDOT Running Calculator, designed by Dr. Jack Daniels (Running) and The Run S.M.A.R.T. Project, LLC. iOS: http://apple.co/19FXszO Android: http://bit.ly/24z2k2m Web: http://bit.ly/2amm3wO | Facebook
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