anyone done a replica of the military type smoke grenades - AN/M-18 and others? seems like it would be a cool prop to replicate. cursory research shows that you can find the spoon mechanism on them fairly easy. i'm thinking a cardboard tube and simple metal endcaps would make a perfect body. pretty good prop as they're in so many things.
for an example, the M7A3 in the matrix -
for an example, the M7A3 in the matrix -