Iron Deficiency: Blunt Straight Edge LYHC âš’âš’âš’ Mathilde - Vocals, Erwan - Drums, Guillaume - 4 Strings, Axxxel - 6 Strings Straight edge hardcore punk band from Lyon, France, formed in 2020. They released their first PROMO in February followed by a second PROMO II in April of the same year. In June they released tapes of their 2 promos as one, entitled PROMO I/II. Furthermore, on December 12th 2020 they released their first EP, entitled Vehemence. Read more on Last.fm