Hammer splitting?

[nasa_tiger]

First time in awhile I have had hammers. My hammer has this look in 2 spots, is it splitting?

 

[Eric_n_Ga]

Looks like it is planning to. I have a frog spawn that looks like that.

 

[hzheng33]

My hammers and torches always split in the middle

 

[bhodges82]

You're doing something right, keep it up.

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