The effect of "Flint Lock" that moves "Flint" from "Flint Lock" to another monster can be activated multiple times in the same turn.
You cannot target activate "Flint" from you hand targeting a "Flint Lock" that is already equipped with "Flint."
This card's effect to equip "Flint" to itself targets the "Flint" card.
This card's effect to to equip "Flint" to another monster targets that monster and "Flint".