Seat pins on 74
Standard disclaimer :
It's a long time since I strapped someone into a J, but I recall the seat pins were all attached by lanyards, 1/2 inch webbing.
The face blind had a wee pouch attached to it as well. It was the last pin out, the rest and their lanyards went into the pouch, then we took the last pin and it's pouch out, handed it to the occupant.
I suspect that's what the original poster has seen.
Happy to be corrected, it wasn't yesterday!
Cheers!