The zipper slot to slip the bag over the luggage handle ... I feel like you have a lot more control when your hand is closer to the blade, I cut myself way less with this than a regular razor. Also ...
Slip a rubber band over the 'ears' of your packing tape dispenser as shown to keep the end of the tape from falling through the slot and then back onto the ... and then clamp the tongs on each blade ...
Photo: Alejandra Matos If there is a lot of buildup, you’ll need to use a vacuum to remove the thick layer of dust on the blades ... one fits snugly into the slot. Most filters are marked ...