↑Konami FAQ: Do the Wedge Counters generated by "Blackwing Armor Master" disappear when the effect of "Skill Drain" is applied?
↑Konami FAQ: When a monster is attacked by multiple "Blackwing Armor Master", can you put 2+ Wedge Counters on the monster with the respective effects?
↑Konami FAQ: At what time does the effect of "Blackwing Armor Master" which places a Wedge Counter activate?