If you have a Piaggio leather bag, you will need to drill out two of the rivets on the bottom of the bag
If you have a Pirate Upholstery leather bag you can simply unscrew two of the rivets (Chicago screws) on the bottom of the bag and keep them in case you want to use them again.
Hardware needed- you can get stainless steel hardware listed below at Lowe's or Home depot
2- eyelet bolt- 1/4-20x2"
2- wing nut - 1/4-20
2- washers- preferably fender washers
1- small pad lock (luggage lock)
You will need to bend open the eyelets so they fit onto the rack. You will also need to drill a hole in one of the eyelet bolts so that the pad lock will pass through. Only one locking eyelet bolt is needed. The photos below are self explanatory. If you have any questions please feel free to contact me.

