I noticed that a number of inlines allow gases to escape that put deposits on a scope body. I have a couple that have kind of classic steel body scopes on them that I would like to keep nice. Not a problem cleaning up at the end of the day, but when I'm on extended trips or when I get stupid and forget, I can envision a problem.
What kind of gizmos have we developed?
Bfly

Depends upon the action. One I make is a for my plunger guns is very simple and made from a bike innertube.



That one is more complex than it needs to be. Two holes will get the job done just fine - one for the side turret, one for the top.

Or

or just a piece of duct tape.

Thanks, I was drifting toward the duct tape. Shamelessly cheap and simple.
Bfly

I used to have a small leather "breech cover"that covered the breech on t/c inlines.It was made by either t/c or outers.It kept the breech clean from snow,but also kept it from getting fouling on the scope.I sold my friend my t/c inline and he wanted the cover,so I gave it to him with the gun.
I much prefer a break open inline.