[VadeRetro]

A callus is a pad of dead cells, nature's own cushion. You grow one where you need one. It forms as a response to repetitive abrasive injuries, part of the wound healing process. Everyone has the genes to do this.

[Elsie]

A callus is a pad of dead cells, nature's own cushion. You grow one where you need one. It forms as a response to repetitive abrasive injuries, part of the wound healing process. Everyone has the genes to do this.

And, they've been proven to be such an advantage, that the God-of-E will incorporate them in the next homid release. Date and Version # yet to be determined.