What is It? Game 8.

Hmmm... I'm going to guess that it would be used by a blacksmith for some sort of shaping task (and would probably have a corresponding die to go with it. I'm just not sure what the resulting pieces might be used for...

It's an ice chipper. For sculpting ice sculptures.

looks like a meat tenderiser.

I also think it's a meat tendersier...

It's fer killin' hogs, I reckon.

It's Italian made. For bustin' kneecaps!

For smashing lemons and limes for their juice.

I think it's for breaking up ice on the ground....for those poor souls up in the Northeast...

It's an octopus net.

My first thought was that it's a nutcracker, the kind for people who don't have the hand strength to crush acorns in those plier models (like me.)

used in early construction to break up rocks

This is not technically a hammer, but is struck by a hammer (sledge). It is used to reshape, while hot, the working end of a drill rod used in the ground and stone, etc.
Some have a pin in the center to line up on the airhole in drill rods that are used in rock and have an airhole running their length.

Looks like an instrument of torture to me.

I HAVE GOT IT !!!
a primitive a abortion device.
It total makes since
You simple whack away at the pregnant area until the baby is Terminated.
I'LL TAKE MY REWARD SENT TO MY PAY PAL ACCOUNT
:)

I'm guessing that it's a leather-making tool for decorating saddles.

I would guess it is a boiler riveting hammer.

I'm going to guess that its a 'bush hammer'. Bush hammers are used in masonry to texturize stone and concrete.

An artist's rendition of a gnome trapped inside of a piegeon.

It's a logging maul and was used by lumberjacks to mark the cut ends of logs before they were sent downriver. Different logging companies had different marks, like "brands"...mauls were more effective than hot brands for marking the logs because a log "rustler" could just saw the branded end off the log. A heavy swing of the maul on the end of the log would drive the points into the wood about a half inch, but the impact would mark the wood grain several inches into the wood, like a sound wave. Then even if the end were sawn off, a light scorching of the wood would reveal the owner's mark...like invisible ink!

It's some sort of hammer to find out if the mine is a dud or not.

Darwin award ftw.

I'll second answer #12, Chris Worsley.
I have one, with the pin in the center and have been guessing about it fot years. It does fit an old drill bit I have. I did use it to make some interesting copper conchos against a urethane block

A rock drill, smacked with another hammer.

bung wrench, for twisting the bungs out of barrels.

People who know shouldn't be allowed to guess, those cheaters...