More 105 trivia
Besides confirming that up is off/down is on, I noticed reading over the Lewyt 105 Owners manual that not only are the supplied wands (extension tubes) for this model collar-less but they use a positive click push-latch system. I've not seen these.
I wonder why Lewyt returned to the rubber cuffed friction snug method in subsequent Big Wheels?
Well, the rubber cuff version just looks better and more upscale to my eye. 
Dave
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