Edison format ruling
Flint Lock

Card effect (current official text)Once per turn: You can target 1 "Flint" in the Spell & Trap Zone; equip it to this card. During your Main Phase: You can target 1 "Flint" equipped to this card, and 1 face-up monster on the field, except this card; equip that "Flint" to that targeted monster. This card can only be equipped with 1 "Flint". While equipped with "Flint", this card is unaffected by the effect of "Flint", and cannot be destroyed by battle.
Rulings
- 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.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.