Up for guesses, item #3
Cut off end of a heater core pipe?
Very worn ( out ) idler arm bushing. The one that attaches to the center ( drag ) link ? I’m probably wrong though, as gauging by the coins used for a size reference the ‘mystery’ part looks a bit small.
Automatic transmission linkage bushing?
getting warm…
A homemade brake pedal bushing?
Home made clutch pedal ( support ) bushing ?
The ‘home-made’ piece is an attempt to replicate the automatic transmission ( floor ) shifter bushings - two of them ( in black plastic are shown ).
Bingo! Floor shifter home made bushing(s)
Zerks for Upper A arm.
Inadequate number of clothes pins. Should be no less than 6.
Proper use of engine ID tag is revealed.
V8… 
Yeah, you really need more like one clothespin per cylinder to see much of an improvement in gas mileage! Lol!
I thought the clothespins were to reduce the possibility of vapor lock…
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That could sure be the reason for them - keeps the fuel line spaced away from the hot engine!
Agree with EliminatorClone, some believed the clothes pins on fuel line from pump to carburetor would prevent vapor lock.
A heat sink of sorts…but how different in temperature could the pins possibly be from the surrounding engine compartment?
Don’t forget about “Cow magnets” taped to the fuel line!