Hammer broke, please help identify

[iGotJokess]

My hammer broke about a week ago when i was trying to pull it off the frag plug. Tried to glue it together the best i could and obviously it’s not looking good. More curious as to what are these white spot like marks on the outside of the skeleton?

 

[GregDaKeg]

My hammer broke about a week ago when i was trying to pull it off the frag plug. Tried to glue it together the best i could and obviously it’s not looking good. More curious as to what are these white spot like marks on the outside of the skeleton?

Snails.

 

[Hydrored]

Spirorbid worms