This seems familiar

[Old Dude]

Any ideas what the odd shaped piece next to the beaver tail is?
It is approximately 5 3/4" X 2 7/8" and rusty steel. The center tabs have 2 holes on both sides for mounting something to it. Thanks for looking and any guesses.

 

[Back-of-the-boat]

The foot for a bicycle pumpthat is what it reminded me of.

 

[creskol]

Reminds me of an old dust mop frame.

 

[sutphin]

BICYCLE PUMP I WOUD SAY ALSO ....