Falcon's Wing Harness is a uncommon Artifact — Equipment card from Marvel Super Heroes (MSH), collector number 53. Current market price: $0.22 (foil $0.26), TCGplayer market prices via Scryfall.
When this Equipment enters, attach it to target creature you control. Equipped creature gets +1/+1 and has flying and ward {1}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) Equip {2}{U} ({2}{U}: Attach to target creature you control. Equip only as a sorcery.)