No.
> The Leather Jacket states that it may be burned to prevent all damage from
> a strike. Is the damage to the Zip Gun's wielder (due to the use of the
> Zip gun) considered "damage from a strike?"
No.
> It seems to me that the
> damage caused by wielding the Zip Gun is just a by-product of its use and
> that this is different from what would usually be thought of as "damage
> from a strike."
Correct.
> Also, can the Leather Jacket be used in combat to prevent the damage of
> a strike that the wearer inflicts on another minion?
No.
--
L. Scott Johnson (vte...@regency.wizards.com)
Official VtES Net.Rep for Wizards of the Coast.
(*) - Subject to review by Rules Team