How I spent 12 hours on a Saturday with a 1993 Metro transmission and a friend...
The exposed gears in the main case:
Inspecting synchros:
That odd fifth gear spot (gears not yet in place) outside the main case:
Aha! It's not in neutral:
That was the first time I have worked with an opened-up transmission. Very useful for developing greater familiarity with them for my own transmission rebuild sometime, maybe next year (I hope).