If accuracy is your game, then you should do this:
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The tube is still undiscovered, although there was a hint that it might be a microphone's casing, but with no direct results. My approach was that they used the Supertrooper/Pre-Pro #1 sling gun barrel (which is a (Tasco or related) hand telescope) but that was a dead end. Read more here ==> RafalFett Strikes Back... with the 4th Shin Tool!
The color is somewhere in the range of the right ear's base color:
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