The largest example of these is around 9 inches, 23 cm long.
What is their specific function?
Elementary my dear Watson, I have seen images of you, and I just bet your bones and joints are a aching?, Huh?, Well sir I know for dam sure you Brits or what ever you folks call your selves today, are very Navy inspired. It reminded of a block and tackle for a ship's rigging, but its too modern. So object # 520 is infact a double rubber roller massager, now say that 5 times fast holding yer' toungue. LOL, Oh and a big Ye-haw from TEXAS, good buddie!
