I remixed this nice bag handle as I needed a simple hole in it to be able to hang it from a hook, nail or a carabiner for example. It is the wide slot version which in my humble opinion is fine even for narrow bag handles.
The carabiner in one of the photos is this one, scaled down to 70%:
https://www.thingiverse.com/thing:1008943
Bag_Handle_v1-4_Wide_Slot_Hole.STL | 445.1KB |