replaceitem entity @s armor.chest elytra{HideFlags:55,Unbreakable:1,Enchantments:[{id:"minecraft:binding_curse",lvl:1},{id:"minecraft:vanishing_curse",lvl:1}]} 1
replaceitem entity @s hotbar.4 minecraft:firework_rocket 1
playsound item.armor.equip_leather master @s ~ ~ ~ 100 1 1
title @s actionbar {"text":"You equipped elytra","color":"red","bold":"true"}
tag @s add elytraFirework