I'll take a wild guess at a water bottle carrier.
It's a wasted trip baby. Nobody said nothing about locking horns with no Tigers.
I'm Spartacus, not really i'm Paul!...
thank you for these initial responses, I'll get any type of container can be put inside !
Thank you Michael. We put our post at the same time.
Alternative theory, battery pouch carrier? This is from a range finder manual for the lighting of the target....possible?
Thank you for this 'possibility' and the document !
Many thanks !!