Gocreate Mint Planner Hole Punch 11 Binding Discs Supplied Adjustable Mushroom Hole Puncher for Disc-Bound Happy Planners,Punch Your Own Paper,Notebooks : Amazon.co.uk: Home & Kitchen
The Happy Planner Big Paper Punch Puncher Pink 11 Hole Punch : Amazon.co.uk: Stationery & Office Supplies
Handy Forms Disc Binding Hand Punch, Compatible with All disc Systems Including Levenger Circa, Staples ARC, TUL, Happy Planner, Discbound, etc. : Amazon.co.uk: Stationery & Office Supplies
Arc Punch Review: Best Punch for Discbound Planners - YouTube