The flask that's back at camp ... after the firearms have been put away. But a bottle is better.
In over twenty-five years, I have never seen a gun writer drink in the field, nor have any liquor on them. Later, sure, there is lots of that, but not afield. Never
Also, one accident, one game violation, and it is all over for a gun writer. That's just the way it is.
kd
Look up TIC.
Although, sometimes when carrying a pack, camp is wherever I stop for the night. If it's not in my pack, there's no place to get it.
If you hunt out of a motor home, and don't get more than a mile or two away, sure, leave it in camp.