OK, here's what I tried with a Bic-Mini, this is an old one that is about empty, if it holds up OK after awhile, I will redo it with a bright orange or yellow Bic.
I used an ice pick to gently expand and round the vent ports in the metal shroud, to accept and allow a small split ring to fit.
The lighter still works just fine, the trial run will be to see how well the metal shroud is attached to the lighter after pocket carry over time.
The rest of the gear is a Photon light, spare car key and a Bison Capsule with $20.00 and a small paper with pre-paid phone card info' in case my cell is lost/stolen/damaged etc....
And a Victorinox Super Tinker rehandled with StayGlow scales.